Vacuum breaker
[化] 真空调节阀
🧩 词语组成解析
breaker
[['breikə]]
n. 断路器\\n[化] 破碎机
🗣️ 情景例句
I'm just calling to confirm your appointment tomorrow at 3:00 p.m.
我打电话确认明天下午3点你约定的时间。
Would you like to go for a short ride?
你想要去兜风吗？
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，