Lactal
呋喃葡烯糖-5-半乳糖苷
🗣️ 情景例句
Richard, did you go to the aerobics class, really? Richard
你真的上了有氧运动课吗？
Do you have any tickets available for that date?
你们有那天的票吗？
Some children can cover the whole length of the pool without coming up for breath even once.
有些孩子能够跑完游泳池的全长而不用露出水面换气。