Gras
abbr. 一般认为安全（Generally Recognized as Safe）
🗣️ 情景例句
He's a lucky boy.
他是个幸运的孩子。
It really comes in handy.
有了它真是方便。
I reflected that there must be a great many local people besides myself who wished to take advantage of this excellent service.
我想除我之外，想利用快车之便的也一定大有人在。