Vacuum preconcentrator
[化] 真空预浓缩器
🧩 词语组成解析
[化] 预浓缩器
🗣️ 情景例句
What are the chances of my getting on the next flight?
我登上下一次航班的可能性有多大？
Trust thyself only, and another shall not betray thee.
只要信任你自己，别人不会辜负你。
Good morning. Could I have some bottles of milk, please?
早上好。我想买几瓶牛奶？