Naphthotriazine
[化] 三氮杂蒽
🗣️ 情景例句
I'll have to work for years to pay off my college loan.
我得工作好几年才能还清助学贷款。
That's amazing! I t sure looks expensive.
真想不到！看上去肯定以为很贵。
Are these your apples?
这些是你的苹果吗？