Microfissure
[化] 显微裂纹
🗣️ 情景例句
He made a favorable impression on her father.
他给她的父亲留下了很好的印象。
I heard such a funny story this morning.
今天早上我听到一件十分有趣的事。
They must keep their hands behind their backs.
他们得一直将手放在背后。