Barnstone
[人名] 巴恩斯通
🗣️ 情景例句
What's on my schedule for today?
我今天有什么日程安排？
We don't have an extension.
我们没有分机。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，