Concentering
vt. 集合\\nvi. 聚集于一點
??? 情景例句
He's asleep.
他睡了。
No, that's all for now. What does it come to?
不用了。這次就這樣。
There has long been a superstition among mariners that porpoises will save drowning men by pushing them to the surface, or protect them from sharks by surrounding them in defensive formation.
長期以來，海員中流傳著一種迷信的說法，認為海豚會把快要淹死的人托到水面，救人性命；或在人們周圍列隊保護，使他們免遭鯊魚傷害。