Microcrazing
显微裂纹
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
Great talkers are commonly liars.
能言的人谎话多。
In the 1970s, computers were common enough, but only in big business, government departments, and large organizations.
在70年代，计算机已经相当普及了，但只用在大公司，政府部门和大的组织之中，