Rhodotorulic acid
[机] 红酵母酸
🧩 词语组成解析
🗣️ 情景例句
May I ... may I help?
我能……我能帮上忙吗？
Missing school to watch the football match is out of the question.
为看足球赛而旷课，那可不行。
I know all about it.
我知道有关它的一切。