Dinaphthenate
二环环烷酸盐
🗣️ 情景例句
But he wants to cut the school budget!
但他想削减学校的预算！
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
I'm afraid I have some rather bad news for you.
我恐怕有些很坏的消息要告诉你。