Pentritol
四硝季戊四醇
🗣️ 情景例句
He is still unable to express himself in English.
他仍然不能用英语表达自己的意思。
Keep it down!
别闹了！
Fine. I'll start the paperwork for your order right away.
好啊，那我立刻就为你们的订单作准备了。