Antarctica [5An5tB：ktIk[]南极洲antarctic [5An5tB：ktIk]南极的Authorities said Wednesday they have recovered the bodies of two Argentines missing for more than a month in Antarctica after theirsnowmobile plunged into a deep ice crevasse（.AP）
The Antarctic peninsula is a small segment of the Antarctic continent，located at the South Pole，and the behavior of the ice on the peninsula is not necessarily a reflection of what’s going on elsewhere in Antarctica，saidanother investigator，David Vaughan of the British Antarctic Survey（.CBS）
the Arctic（Ocean）[5B：ktIk]北冰洋An eight-nation report released earlier this month says the Arctic is warming twice as fast as the rest of the planet and that the North Pole could be ice-free in northern hemisphere summer by 2100，threatening indigenouscultures and perhaps wiping out creatures like polar bears（.REUTERS）
the Atlantic（Ocean）[[t5lAntIk]大西洋Katrina is the 11th named storm of the Atlantic hurricane season，which began June 1.That is seven more than have typically formed by now in theAtlantic，Caribbean and Gulf of Mexico，the hurricane center said（.NBC）
basin [5beisn]盆地After two months at the summit of Husband Hill，the six-wheeled rover is descending to a basin where the scientific instruments it carries will examine an outcrop dubbed“home plate”because from orbit it looks likehome on a baseball field（.CNN）
bay [bei]湾the Bay of Bengal [beN5gC：l]孟加拉湾The Pentagon invites UN officials to visit Guantanamo Bay-three yearsafter first receiving the request（.BBC）
In fact，the last ham activity in these scattered islands in the Bay of Bengal，900miles east of the Indian mainland，occurred in 1987，when Prasad set up a station in Port Blair and made 15，500calls.“I had alwayswanted to come back and break that record，”she said（.Post ）The Washingtoncanyon [5kAnj[n]峡谷The Valles Marineris is a large canyon six times as long and eight times as deep as the Grand Canyon.It is 2，800miles long，125miles wide，andnearly seven miles deep（.NBC）
the Caribbean（Sea）[5kAr[5bI：n]加勒比海By the end of the week the storm is expected to be south of Jamaica，where the Caribbean is still warm enough to feed a major hurricane，saidhurricane specialist Stacy Stewart（.AOL）
channel [5tFAnl]海峡English Channel 英吉利海峡She left Cape Griz-Nez，France，at 7：05a.m.and stumbled ashore at Kingsdown，England，14hours and 30minutes later.Only five men had succeeded in swimming the channel before her，and she beat the record bymore than two hours（.CBS）
Gertrude Ederle，who battled rip tides，cross currents，driving rain and mountainous seas to become the first woman to swim the English Channeland strike a blow for women‘s rights，has died（.AP）
delta [5delt[]三角洲
Environmental rights group in Nigeria celebrate their victory in stoppinggas flaring in the oil-rich Niger Delta（.BBC）
desert [5dez[：t]沙漠The fire was burning in rugged wilderness away from homes，but fire officials worried about the forecast return of the Santa Anas，the hot，drywinds that blow from the desert toward the ocean（.AP）
earthquake [5[：Wkweik]地震The great Sumatra-Andaman earthquake that generated the devastating tsunami in December was so powerful that the ground shook everywhere on the Earth’s surface and weeks later the planet still trembled.（USA TODAY）equator [I5kweit[]赤道In the newly outlined approach，reflective particles might come from the mining of Earth，the moon or asteroids.They‘d be put into orbit around the equator.Alternately，tiny micro-spacecraft could be deployed withreflective umbrellas（.NBC）
fall（waterfall）[fC：l]瀑布Newman said he pulled Duamni out of the water，swimming under a waterfall and over to the shore opposite from the restaurant.He could hearlaw enforcement personnel telling him to come back to the other side（.AP）
fault[fC：lt]断层A recently mapped，still-active fault line that snakes beneath downtown Los Angeles is capable of generating major earthquakes，but only aboutonce every 2，000years，according to a new study（.CBS）
glacier [5glAsi[]冰川、冰河A World War II airman whose frozen body was chipped out of a California glacier last fall was laid to rest in his hometown Friday，more than six decades after the young man disappeared during a training flight.（AP）
gorge [gC：dV]山峡A 1.8-million-year-old jawbone and other fossils uncovered in Tanzania’s Olduvai Gorge have reignited a longstanding controversy about the familytree of humankind‘s earliest ancestors（.NBC）
gulf [gQlf]海湾
Gulf of Aden [5eid[n]亚丁湾
Gulf of Mexico[5meksIk[U]墨西哥湾
the Persian Gulf[5p[：F[n]波斯湾“We’re dealing with one of the worst natural disasters in our nation‘s history，”Bush said later in a televised address from the White House，which most victims could not see because power remains out to 1millionGulf Coast residents（.NBC）
The Limburg attackers blew a hole 10yards wide in the tanker，killing one Bulgarian crew member and spilling 90，000barrels of oil into the Gulf of Aden.（NBC）
Since Saturday，when the dolphins were found，their trainers，along with a dolphin rescue team from Florida and a marine biologist from Seattle，have been boating out into the Gulf of Mexico three times a day to visit theschool of dolphins（.NBC）