Phenazinyl
[化] 吩嗪基
🗣️ 情景例句
Here I am.
我在这儿！
We have adopted much more flexible methods in our dealings.
我们在具体操作方法上灵活多了。
Dad, this bag is too big. We can't carry it.
爸爸，这个包太重了，我搬不动。