Reoplex
聚合型增塑剂
🗣️ 情景例句
Please sit down.
请坐下。
Let us imagine a hypothetical case where we disagree.
让我们假设一个我们不同意的状况。
I'm afraid that Jim will miss a lot of his lessons.
恐怕这么一来，吉姆要缺很多课了。