Semibatch chemical reactor
[机] 半连续化学反应器
🧩 词语组成解析
🗣️ 情景例句
when Susan and Richard were babies?
当Richard和Susan还很小时？
No, I can't go to bed till she says Good night to me.
不，除非她向我道晚安，不然我睡不着。
Visitors have been asked to keep the woods clean and tidy.
游客已被告知要保持树林的整洁。