Ultrapurity
超纯度
🗣️ 情景例句
I think I see some fish right under us, Dad.
爸爸， 我想我看见一些鱼就在我们下方的水 。
Relax!
放松一下！
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。