Nicotene
烟酸
🗣️ 情景例句
And now that you're satisfied with the performing arts section,
而且既然 对表演艺术这部分很满意，
I checked my baggage in the baggage section.
我在行李房托运行李。
On July 19th, 1909, in the early morning,
1909年7月19日凌晨，