Xanthinol niacinate
[化] 占替诺烟酸盐; 烟胺羟丙茶碱
🗣️ 情景例句
Will you get into the school?
你会被录取吗？
If there's anything else I can do,please let me know.
如果有其他东西我能做的，请让我知道。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。