Unlubricated
無潤滑的
??? 情景例句
I want to stay here and fish.
我想待在這里 釣魚。
We demand better pay.
我們要求增加工資。
That's what we did in China in the old days, before thermoses were invented, said Wei Hua.
“那是我們中國從前未發明出熱水瓶時的做法。”魏華說。