Lisimeter
测渗计
🗣️ 情景例句
Sometimes it sounds a little stubbon.
有时候，这显得有点固执。
I'm sorry, sir. I didn't mean it.
对不起，老兄，我并没有恶意。
The American president who fought for the freedom of slaves in the USA.
为美国奴隶的自由而战的美国总统。