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[化] 氟茚二酮
🗣️ 情景例句
What a bargain! Thanks for helping me with this shopping.
真是太划算了！谢谢你带我买这些东西。
The problem has been bothering me for weeks.
那个问题已经困扰了我几个星期。
Will it cause a delay?
会耽搁出货吗？