L-nmma
[医]L-单甲基精氨酸
🗣️ 情景例句
His house was always neat.
他家经常都是干净的。
There are four quarters in every dollar.
每美元有四个二角五分。
In the early 1980s, the computer giant, IBM produced the world's first Personal Computer.
80年代初，计算机行业的王牌公司美国国际商用机器公司（IBM）生产出了世界上第一台个人电脑。