n. [机]动力,功率;力量;政权,权力;强国,大国;
vt. 运转;用发动机发动;使…有力量;
vi. 靠动力行进;快速行进;
adj. 权力的;机械能的,电动的;用电力(或动力)发动的;
🗣️ 情景例句
I remember now.
我现在想起来了。
I'm just kidding.
我指使闹着玩的。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!