Methylcytosine
[医] 甲[基]胞嘧啶
🗣️ 情景例句
Now may I please say hello?
现在我可以说声哈喽了吗？
I'd like two seats on today's northwest flight 7 to detroit, please.
我想订两张今天西北航空公司7班次到底特律的机票。
It is six o'clock.In the evening, the children usually do their homework, but this evening, they are not doing their homework.
现在是6点钟。晚上，孩子们通常是做作业，而今天晚上，他们没做企业。