🗣️ 情景例句
It's natural.
这是很自然的。
What? Already? Won't you have more coffee?
怎么，已经要走了？要不要再喝点咖啡？
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。