Cla
abbr. （美国）大学语言协会（College Language Association）
🗣️ 情景例句
Fast asleep.
正熟睡着呢。
If it is left too long, it begins to give off a bad smell.
假如把它放得太久了，它就会开始发臭。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。