Gasproof
a. 防毒气的, 不透气的
✅ 同义词
🔴 反义词
🗣️ 情景例句
Where shall I put my signature?
我签在哪儿呀？
How long will your offer hold good?
一般你们报盘的有效期是多长？
Sorry, but could you kindly repeat what you just said?
抱歉，你可以重复刚刚所说的吗？