Ideologist
n. 思想理论家
🗣️ 情景例句
Let's give him our presents--now.
现在把我们的礼物送给爷爷吧。
What point are you trying to make?
你正在试着给出什么观点？
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，