Chalcotype
铜面浮雕术
🗣️ 情景例句
Do you speak a foreign language?
你会讲外语吗？
It's no trouble at all. I'll carry this suitcase for you.
一点也不麻烦，我来替你提这只箱子。
why have we had no visitors from outer space yet?
那么我们为什么还未见到外层空间来访的客人呢？