Rotproof
a. 防腐的
✅ 同义词
🗣️ 情景例句
I want to keep the after-school programs--
我要保存这些课外活动--
Why not go out for a walk?
干吗不出去散步？
Oh, listen to the loudspeaker. I think Mr. Hu is going to tell us the result right now.
哦，请听广播。我想胡先生马上就要宣布比赛结果。