a shark's dorsal fin鲨鱼的背鳍His dorsal fin was down and his huge pectorals were spread wide.它的脊鳍朝下耷拉着,巨大的胸鳍大张着.There are usually no dorsal pores in the first few intersegmental grooves.身体前几个节间沟内经常无背孔....
我们可以瞥见脚下一些小村庄的屋顶。Below us you could glimpse the rooftops of a few small villages.据未经证实的报道说，几个小村庄被泥石流吞没了。There are unconfirmed reports of several small villages buried by mudslides.很容易让人相信这个小村庄藏着重大谜团.It was easy to believ...