Palaeoptera
古翅類(lèi)
??? 情景例句
When you have nothing to do, time goes slowly.
你沒(méi)事做時(shí)，時(shí)間便過(guò)得很慢。
Better be the head of a dog than the tail of a lion.
寧為犬首，不作獅尾。
Nice talking to you.
很高興與你聊天。