Are they clean
干净───clean;它们───they
Keep your nose clean, and don't get involved.───你要安分守己, 不要卷到那里头去.
Please wait just a few minutes; I'm going to clean myself up.───请稍等几分钟, 我洗一下就来.
He'd clean forgotten about it.───这事他早就扔在脖子后边了.
I hope these black marks will clean off.───我希望这些黑斑点能除掉.
Three of us sweep and mop the floor and the remainder clean the window.───我们之中三人扫地拖地板,其余的人擦玻璃.
She became neurotic about keeping the house clean.───她对保持房屋清洁有点神经质。
She swept the floor clean.───她把地板扫干净了.
The whole house was spotlessly clean.───整座房子一尘不染.