Visual plant
[经] 重要设备, 关键设备
🧩 词语组成解析
🗣️ 情景例句
What does he say?
他说了些什么？
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般来讲，合同一经双方签订就不得更改。
Let me see. Oh dear! Yes, it is broken.
让我看看，天哪！是坏了。