n. 负荷;负担;装载;工作量;
vt. 使担负;装填;把…装入或装上;装满,堆积;
vi. 加载;装载;装货;
🗣️ 情景例句
You've got yourself to think about, too.
也得为自己着想。
How are you?
你好吗?
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!