Phthalazinyl
[化] 2,3-二氮杂萘基
🗣️ 情景例句
Who's the valedictorian of this class?
谁是班里优秀的毕业生？
John stopped studying.
约翰停止学业了。
Spirits labelled 95 proof contain only about 47 percent alcohol.
强度标为95的酒中含47％的酒精。