C-5-fraction
[化] 碳五馏分
🧩 词语组成解析
🗣️ 情景例句
This.
这个。
My underwear is black.
我的内衣是黑色的。
The sides of the dish were so smooth that it was almost impossible to attach hawsers and chains to the rim without damaging it.
盘子四边十分光滑，要在盘边拴上绳索或链条而同时又不损坏它是很难办到的。