Mendeleev
门捷列夫(Dmitri Ivanovich, 1834-1907, 俄国化学家)
🗣️ 情景例句
Are they always that difficult to make?
领结这样难打吗？
We can't drink so much.
我们不能喝那么多。
Do you know what they are?
你知道他们是干什么的吗？