Eager-beaver
adj. 讨好卖乖的，野心勃勃的
🧩 词语组成解析
eager
['i:gə]
adj. 渴望的;热切的，热情洋溢的;热心的;急切;
beaver
[['bi:və]]
n. 海狸(毛皮)\\n[机] 轻型及中型飞机加油
🗣️ 情景例句
Would you like some coffee?
要不要来点咖啡？
Do you know when the next exam is?
你知道下次考试在什么时候吗？
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。