Raytheon
n. （美）雷声（公司名）
🗣️ 情景例句
Michelle, can I help you with the lemonade?
Michelle，我帮你倒点柠檬汁好吗？
I will take a helicopter.
我将去搭直升飞机。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。