Betol

比妥耳, 水杨酸 β-萘酯

🗣️ 情景例句

It's his first venture into business.
他初涉商界。
Did you go to the theater this morning?
你今早去戏院了吗?
Yes, that's right.
是的。
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🔤 更多 B 开头的单词

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