Dexfenfluramine
右芬氟拉明
🗣️ 情景例句
with the school board,
和联合校董会一起，
I ask him to tell me everything he heard.
我要求他告诉我，他所听到的每件事情。
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，