Chertification
[地质]燧石化
🗣️ 情景例句
I have no problem with that.
对这一点我没有异议。
We hope that you will earnestly take part in this meeting.
我们希望你们认真地参与本次会议。
We can't ship anymore until we get payment.
除非收到你的付款，否则我们无法再出货给你。