Smoketight
a. 不透烟的,烟密的
🗣️ 情景例句
She is making steady progress in her learning.
她在学习中不断进步。
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。
It's a lovely windy day today.
今天是个有风的好天气。