Catechol
n. 儿茶酚, 苯邻二酚\\n[化] 儿茶酚
🗣️ 情景例句
I was deeply impressed by his speech.
他的演讲给我留下深刻的印象。
Our own actions are our security,not others' judgements.
我们的行为是自己的保证，并不是旁人的鉴定。
we can start any time you're ready.
只要你准备好了，我们随时可以开始。