Stapf
麻黄碱
🗣️ 情景例句
That's where our difficulty lies.
那就是困难所在。
We used to have a lot of fun when we were that age.
当我们是变老时，我们过去常有很多趣事。
Are you coming with us tomorrow ? Uncle Li said we could borrow his boat.
明天你和我们一起去吗？李叔叔说我们可以借用他的船。