Trooper
[ ['tru:pə] ]
第5级
其它 Other
n. 骑兵, 骑警, 伞兵
✅ 同义词
📖 牛津释义
trooper
n
1 soldier in an armoured unit or a cavalry unit 装甲兵; 骑兵.
2 (US) member of a State police force 州警察.
3 (idm 习语) swear like a trooper => swear.
🗣️ 情景例句
to schedule one hour a week--to start with.
安排一星期一个小时。
I'm swimming at the lake.
我在湖边游泳。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。