灭绝的

They were guilty of the most barbarous and inhuman atrocities.

他们犯有野、人性残暴罪行。

Trapped inside was an extinct breed of stingless bee.

陷入其中是一只已经无蛰针蜜蜂。

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏鸟是一种已经不会飞翔水鸟，生活在白垩纪晚期。

Last December scientists announced the probable extinction of the first mammal because of climate change: the white lemuroid possum, now gone from Queensland, Australia.

2008年12月，科学家宣布第一个可能因气候变迁哺乳类：白狐猴负鼠，已经从澳洲昆士兰消失了。

The cowman who cleans his range of wolves does not realize that he is taking over the wolf's job of trimming the herd to fit the range.

狼猎人还没有意识到，他将必须接替狼来清理兽群，以保持生态平衡。

Rutiodon ("Wrinkle tooth") is an extinct genus of archosaur belonging to the family Phytosauridae. It lived during the Late Triassic period, and was about 10 to 25 feet (3 to 8 meters) in length.

狂齿鳄（也称“皱齿”），是一个史前已种。它生活在晚三叠世时期，大约10到25英尺（3至8米）长。