Silazane
硅氮烷
🗣️ 情景例句
Excuse me, ma'am.
对不起 夫人
Could you tell me where I can find these books?
您能告诉我在哪儿能找到这些书吗？
Why do you think we can't change your note? Of course we can.
为什么你认为我们破不开你的票子呢？当然我们能破开的。