Paracyclophane
对环芳烷
🗣️ 情景例句
who really needs to be wearing a tuxedo,
真正需要穿燕尾服的人，
He went to the post office to mail a letter.
他去了邮局寄信。
One wants to meet like-minded collectors, to get advice, to compare notes, to exchange articles, to show off the latest find.
收藏者要会见情趣相投的收藏者，以获取教益，交流经验、交换收藏品，炫耀自己的最新收藏。