Raytheon
n. （美）雷声（公司名）
🗣️ 情景例句
Why not?
有何不可？
He who has not tasted bitter knows not what sweet is.
不吃苦中苦，哪知甜中甜。
This time it was the postman and he wanted me to sign for a registered letter!
这次是邮递员，他要我签收一封挂号信！