Polyphenylene

聚亚苯基

🗣️ 情景例句

Let's what?
你说什么?
Make the best of a bad business (or job or bargain).
身处山穷水尽,力争柳暗花明。
He made up his mind to once again ask for her hand in marriage.
他下决心再一次向他求婚。
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