Tecosis
山羊消瘦病
🗣️ 情景例句
I know that I am.
我知道我是很喜欢。
Excuse me I can't do it now.
对不起我不能现在做。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。