Focometer
n. 焦距计\\n[化] 焦距计
🗣️ 情景例句
I must prepare my lessons.
我必须准备工课。
Courage and resolution are the spirit and soul of virtue.
勇敢和决心是美德的灵魂。
I'm afraid that he can't,Mr. Croft.Can't you wait till this afternoon?
恐怕不能，克罗夫特先生。您就不能等到今天下午吗？