Phenanthrone
[化] 菲酮
🗣️ 情景例句
Please hold on a moment.
请等会儿。
Two ears to one tongue, therefore hear twice as much as you speak.
两只耳朵对一舌，故应多听而少说。
Every day you can have one apple, one orange, one piece of dry bread, and a glass of water.
你每天可以吃一个苹果，一个桔子，一块面包，还有一杯水。