Ackerson
[人名] 阿克森
🗣️ 情景例句
She doesn't know we've changed hotels.
她不知道我们换了旅馆呀。
That's track 1 at 9:45.
1轨道，9点45分开。
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，