Permeometer
织物透气性测试仪
🗣️ 情景例句
I've got a lot of work to do.
我有很多工作要做。
What's the time by your watch?
你的表几点了？
It was not forced upon them by the survival competition; they could have caught and lived on prey without using poison, just as the thousands of non-poisonous snakes still do.
毒液不是生存竞争强加给它们的，它们也可以不用毒液捕捉动物而生存，就像今天成千上万的无毒蛇那样。