Dimethylphenanthrene
[医] 二甲菲
🗣️ 情景例句
I'd like you to meet the head of the student relations committee.
我想见见学生关系委员会主席。
We must get back to first principles.
我们必须回到基本原则上来。
We have adopted much more flexible methods in our dealings.
我们在具体操作方法上灵活多了。