Nitrito-
[化] 亚硝酸; 亚硝酸基
🗣️ 情景例句
Going away to college for the first time
第一次离家上大学，
How much is the telephone bill a month?
每个月电话费要多少钱？
I had just lost $50 and I felt very upset.
我刚刚丢了50英镑，感到非常烦恼。