Chalkogenide
硫属化物
🗣️ 情景例句
Is this five-two-one double eight six-four?
这里是521-8864吗？
I hope this will lead to further business between us.
我希望这次交易将使我们之间的贸易得到进一步发展。
It looks like the moon. There are many different kinds of mooncakes.
它看起来像月亮。月饼的种类很多。