Mellitene
[化] 六甲苯
🗣️ 情景例句
Amtrak is happy to announce our arrival in New York City.
我们很高兴报告诸位 Amtrak火车就要到达纽约了。
Diligence is the mohter of success.
勤奋是成功之母。
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，