Diphenylethlene
二苯基乙烯
🗣️ 情景例句
A table spoon is much bigger than a teaspoon.
汤匙要比茶匙大得多。
We have drapes for the living room,but we need kitchen curtains.
我们有客厅窗帘，但是我们需要厨房窗帘。
We need to make some changes in this contract.
这份契约有几个地方需要修改。