Anthracenone
[化] 蒽酮
🗣️ 情景例句
and do it while I talk to my secretary.
我去和秘书说个话。
It never rains but it pours.
祸不单行。（不鸣则已，一鸣惊人。）
Have you seen our new packing specifications?
你看过我们新的包装指示了没有？