Phenanthrol
[化] 菲酚
🗣️ 情景例句
and I think he believes
而我认为他相信
The world is a ladder for some to go up and some down.
人间犹如一架梯，有人缘梯上升，有人顺梯下降。
I'm glad to have met you.
很高兴遇到你。