Xanthyletin
美洲花椒素
🗣️ 情景例句
left to right.
从左到右轮流玩。
I've arranged my class schedule so I'll have my afternoons free.
我调整了我的课程表，以便下午腾出空来。
They describe how each process goes on to the next.
表述着每道工艺间的衔接情况。