Aesar
蛇丘
🗣️ 情景例句
parents are invited to attend--
家长被邀请来参加
First of all, I will outline the characteristics of our product.
首先我将简略说明我们商品的特性。
There is a new type of machine which can produce colour copies.
有一种新型的机器能够制作出彩色复印件。