Nitrosite
亚硝酯肟酸
🗣️ 情景例句
We cannot leave this problem unattended.
这一问题我们不能置之不理。
Write it on your heart every day is the best day of the year.
要记住，每天是一年中最好的一天。
I'll see you at six.
我六点钟见你。