n. 反应能力;反射作用;复印,复制;影像,映像;
adj. 反射的,反射性的;反作用的;反省的,回想的;本能的;
vt. 反折;反曲;反射;
🗣️ 情景例句
I think I'm quite proficient in both written and spoken English.
我认为我在英语读写方面相当熟练。
Fooling around
闲荡
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!