L-
[医][=a compound structurally related to l-glyceraldehyde]（化学前缀）左型（与d-相对构型）, 碳水化合物中表示具有与l-甘油醛同样的构型者为l-构型族
🗣️ 情景例句
Now comes the good part.
现在最精彩的部分来了。
Money burns a hole in his pocket.
钱到袋里留不住。
This is a kind of printing that blind people can read by touching groups of raised points that are printed on paper.
布莱叶盲文是一种印刷字体，盲人通过摸印在纸上起的点点来读书。