Phenanthridone
[化] 菲啶酮
🗣️ 情景例句
I'm afraid it just isn't good enough.
恐怕这不够好。
What's learnt in the cradle lasts till the tomb.
小时学过的，至死不忘记。
You have to learn when to ask for help and when to ask for information.
你得学会什么时候请求帮助，什么时候打听信息。