Beaver state
na. 〈美〉Oregon 州的别名\\n
🧩 词语组成解析
beaver
[['bi:və]]
n. 海狸(毛皮)\\n[机] 轻型及中型飞机加油
🗣️ 情景例句
and the problem is that it's set up primarily for kids to play.
而问题是它主要是让孩子们去玩的。
Make yourself necessary to someone.
使你有益于人。
Yes. I don't think it's necessary to buy the bigger one.
有哇。我认为没必要买较大的机子。