Preventions
(prevention 的复数) n. 阻止, 妨碍, 预防\\n[医] 预防
🗣️ 情景例句
and photograph street performances in the city,
拍摄城市 的街头表演，
Trust thyself only, and another shall not betray thee.
只要信任你自己，别人不会辜负你。
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，