Station keeper
un. 编队位置保持器
🧩 词语组成解析
keeper
['ki:pə]
n. 保管人;饲养员;负责人;监护人;
🗣️ 情景例句
You don't know Jack Wang? You're hiking.
你不认识杰克王？看玩笑吧？
We have new methods like compensation trade and joint ventrue.
我们有补偿贸易和合资经营。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。