Methylmethionine
[化] 甲基蛋氨酸
??? 情景例句
I think the building just needs a good cleaning.
我想那座建筑只需要好好地打掃一下。
Skill and confidence are an unconquered army.
技能和信心是不可克服的軍隊(duì)。
My efforts resulted in nothing.
我的努力毫無結(jié)果。