Opacifying
v. 使…变得不透明( opacify的现在分词 )
🗣️ 情景例句
After you.
请先走。
Who serves everybody gets thanks from nobody.
人人都侍候，个个不见好。
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。