1.【动】海豚
2.前后振动;波动
1.(船)在水面急行
2.(鱼雷)在水面急驶
1.a large ocean animal, similar to a dolphin, that comes to the surface to breathe air
1.During the night two porpoises came around the boat and he could hear them rolling and blowing.
夜间，两条海豚游到小船边来，他听见它们翻腾和喷水的声音。
2.A few finless porpoises -- smaller, stouter mammals with blunt noses -- were moved into a reserve, along with one baiji.
少数江豚–小而结实，嗅觉迟钝的哺乳类动物–和一只白暨豚一起被转移到一个自然保护区。
3.a yellow fatty oil obtained from porpoises and used as a fine lubricant.
一种从鼠海豚中提取的黄色脂油，用作优质润滑剂。
4.There has LONG. been a superstition among mariners that porpoises will save drowning.
长久以来，海员们有一种迷信，那就是海豚会把很快要淹死的人推到水面使之获救。
5.There has long been a superstition among mariners that porpoises will save drowning men.
长久以来，海员们有一种迷信，那就是海豚会回搭救快要淹死的人。
6.He is now satisfied merely to try to stand up, but as soon as he does so a porpoises knocks him flat.
而当海龟尝试站起来的时候，一只海豚向它水平撞了过去。
7.I wondered that the porpoises had not long since gone away.
我感到十分惊奇，那些海豚不久前才离开。
8.Any of various small whales, porpoises, or similar aquatic mammals, especially a whale of the genus Mesoplodon, having a pointed snout.
啄鲸一种小型鲸、海豚或类似的水生哺乳动物，尤指啄鲸属的一种有尖啄的鲸鱼
9.Penguins are the only bird that can leap into the air like porpoises .
企鹅是唯一能像海豚一样窜出水面的鸟类？。
10.An examination of the functioning of the senses in cetaceans , the group of mammals comprising whales, dolphins and porpoises.
一项对鲸类感官机能的检查，这组哺乳动物包括鲸，海豚和鼠海豚。