Thumpers
(thumper 的复数) n. 用力打的人, 捶击者, 庞然大物
🗣️ 情景例句
Daddy, can we go soon?
爸爸 ，我们能快点走吗？
Splendid.
很好。
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。