Rashing
煤层底板的软碳质页岩
🗣️ 情景例句
I will. Thanks, Dad.
我会小心的。谢谢你，爸爸。
She gaped in surprise when Robert arrived.
当罗伯特来的时候，她吃惊得长大嘴巴呆住了。
We must stress that these payment terms are very important to us.
我们必须强调这些付款条件对我们很重要。