Sealing system
[化] 密封系统
🧩 词语组成解析
[化] 封闭; 封闭处理\\n[医] 封闭, 封口(创伤)
🗣️ 情景例句
While my car is in the shop, they have given me a courtesy car to drive around.
我的车还在修理店时，他们给我一辆替代车用。
What do you do in your spare time?
闲暇时，你干些什么？
It's about 400 yards from here.
离这儿大约有400码。