Stoechiometry
[医] 化学计算学, 化学计量学
🗣️ 情景例句
Can I try this on?
我能试试吗？
You have to change at chicago station.
你必须要在芝加哥站转车。
Both men had just begun to swim towards the shore, when they noticed with dismay that the speedboat was moving in a circle.
两个人刚开始向岸边游去，就突然惊愕地发现快艇正在转着圈行驶，