Ventless
a. 无孔的, 无出口的
🗣️ 情景例句
I believe my English fluency is quite good.
我认为自己的英语相当的流利。
The world is a ladder for some to go up and some down.
人间犹如一架梯，有人缘梯上升，有人顺梯下降。
I'm sorry, but we have a problem here.
对不起，我们有困难。