Chertification
[地质]燧石化
🗣️ 情景例句
Macro adjustment is needed in a market economy.
市场经济需要宠观调控。
I'd like to change this ticket to the first class.
我想把这张票换成头等车。
As soon as he opened his mouth, everyone burst out laughing.
但他刚一开口说话，人们便哄堂大笑起来。