R-s system
[化] R-S命名法
🧩 词语组成解析
🗣️ 情景例句
Never in my life have I seen such a mess!
我这辈子没见过这么乱的地方。
Don't bother your father now, he is very tired.
现在别拿这个去烦你爸，他很累了。
It was noticed that there were no signs or warnings on the supply lines that ran round the port.
人们这才注意到，铺设在码头周围的供应管道上没有贴标签或告示。