n. 床;苗圃;河床;(地下由黏土、岩石等构成的)地层;
vt. 把…固定在;(某人)发生性关系;给人铺床;
vi. 上床;分层;
🗣️ 情景例句
Certainly. Do you have any identification?
当然可以。你有任何证明文件吗?
Courtesy costs nothing.
谦虚恭敬,不用分文。
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!