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
A little over two hours.
两个钟头多一点。
What time does the train for Boston leaves?
去波士顿的火车几点开？
He told me not to bring you anything.
他吩咐我不要给你带什么东西。