Nabla
纳布拉琴, 劈形算符(数学符号), 微分算符[子]
🗣️ 情景例句
I want to see other people.
我想换换别人。
Glad to have been of help.
我很高兴能给您帮个大忙。
Despite the fact that the bottle is tinted a delicate shade of green, an observant visitor would soon notice that it is filled with what looks like a thick, grayish substance.
尽管那只瓶子呈淡绿色，但细心的客人很快就会发现瓶里装的是一种看上去黏稠，颜色发灰的东西。