Scum yeast
[化] 浮膜酵母
🧩 词语组成解析
scum
[skʌm]
n. 浮渣;泡沫;糟粕;
vi. 产生泡沫;被浮渣覆盖;
vt. 将浮渣去除掉;
yeast
[jist]
n. 酵母（菌）;酵母粉，酵母饼，酵母片;泡，泡沫;动乱，激动;
vi. 发酵;起泡沫;
🗣️ 情景例句
to read to the students--their own children, really.
共同为学生们， 其实就是他们自己的孩子， 朗读
Just do what it says.
照着做就对了。
We were very much surprised when the snake charmer suddenly began to play jazz and modern pop songs.
当耍蛇人突然又吹奏起爵士乐和现代流行乐曲时，我们感到非常惊奇。