Mesulphen
二甲基硫蒽
🗣️ 情景例句
Sorry to be a pest.
不好意思打扰你。
In my opinion,the house isn't worth the price they're asking.
按照我的意见,房子不值他们正在问的价格。
These objects, however, were different.
这些展品却使人大开眼界。