Hadal
a. 超深渊的,离海面6000米以上深水中的
🗣️ 情景例句
What do you call this? A tow year old child could have done a better job!
你是怎么回事？就连两岁的孩子都可以比这做得更好！
What are you talking about?
你说什么？
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。