Swallowtail
n. 燕尾, 燕尾服, 燕尾叉形旗子的末端
🗣️ 情景例句
Oh?
噢？
We must get back to first principles.
我们必须回到基本原则上来。
Because they destroy so many insects, and insects include some of the greatest enemies of the human race.
因为它们能消灭那么多的昆虫，其中包括一些人类的大敌，