鲨

The Tiger shark and the great white shark may be the most aggressive of sharks but they very rarely attack humans.

老虎鲨和大白鲨可能是最积极的鲨鱼，但它们很少攻击人类。

Pacific swells push against Darwin Island, where white salema and black triggerfish feed beneath breaking waves. Here 20 years ago Jerry and I were intimidated by huge squadrons of sharks—hammerhead and the more aggressive Galápagos sharks.

太平洋海浪拍打着达尔文之岛，白石鲈和黑色扳机鱼在迸溅的波浪下觅食。20年前，我和Jerry在这里受到一大队鲨鱼的威胁——锤头鲨和更有攻击性的加拉帕戈斯鲨。

A great Hunter of Snarks is often renowned * From the beast he is never to flee * But still that is how he wound up in the ground-* For the Snark was a Boojum, you see

伟大的猎蛇鲨者总是以不让任何一只猎物逃脱而闻名不过这同样是令他倒地血流不止的原因因为那蛇鲨其实是一头&Boojum&。

Photo Gallery: Great White Sharks The Latin name for great white sharks, Carcharodon carcharias, literally means "ragged tooth," an understandable moniker.

意译：大白鲨鱼图片画廊。这拉丁名字给大白鲨，大白鲨/噬人鲨，按照字面意味&粗糙的牙齿&，一个可以理解的绰号。

Type and sole genus of Carchariidae: sand sharks.

锥齿鲨科的唯一的模式属；沙鲨。

Comprising only the basking sharks; in some classifications considered the type genus of a separate family Cetorhinidae.

只包括姥鲨；在某些分类系统中认为是姥鲨科的单独一科的模式属。

Sand sharks; in some classifications coextensive with family Carcharhinidae.

沙鲨；在某些分类中与椎齿鲨目同延。

Sand sharks, also known as sand tigers and gray nurse sharks, have a deceivingly ferocious look.

锥齿鲨，也就是通常说的灰护士鲨，有着欺骗性的凶恶外观。

Of or belonging to the order Dibranchiata.

沙鲨；在某些分类中与椎齿鲨目同延。

Megalodon, the largest shark, is extinct B. Megalodon is not extinct but just out of reach C. Megalodon was 52 feet long and had a jaw 7 or more feet wide D.

文章第一段第三，四句指出，巨齿鲨一般被认为生活在一百万到五百万年前，它们长 52 英尺，下颚至少 7 英尺宽；该段最后一句指出，几乎没有人相信巨齿鲨没有灭绝而只是迁到了深海生活，即这一观点并不为大众所接受，故选 B。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。