🧩 词语组成解析
dam
[dæm]
n. 水坝，堰;水库;（牙科用的）橡皮障;〈比喻〉障碍;
vt. 用水坝阻止;阻塞，抑制;
🗣️ 情景例句
I read when I have the chance.
我有空时喜欢读书。
Experience is a school from which one can never graduate.
经验无止境。
Yes, he has.He sold it last week.
是的，卖掉了。他上星期卖掉的。