Fluorenic acid
[化] 芴酸
🧩 词语组成解析
🗣️ 情景例句
Take off the veil,
拿掉面纱
Which umpire will referee the baseball game?
不知道哪一个裁判要执法这场棒球赛？
They played a shameful part in the whole affair.
他们在这一事件中扮演了可耻的角色。