Polymolecularity
多分子性
🗣️ 情景例句
I never stop thinking about them.
我一直在思考这些问题 ，从未间断。
I heard the clock, but I didn't get up until 9.
我听见闹钟了，但我捱到九点才起。
Why are there three prices quoted for this part?
这种零件为什么有三种不同的报价？