Photothermionic
光热离子的
🗣️ 情景例句
Mom and Dad are already on their way down to the gallery.
妈妈和爸爸已经出发去画廊了。
Too much water drowned the miller.
过犹不及。
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，