Pneumatic circuit
[化] 气动回路
🧩 词语组成解析
🗣️ 情景例句
I'm glad to meet you.
很高兴认识你。
Light come, light go.
来得容易，去得快。
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。