Oxycon
铅靶管, 氧化铅视象管
🗣️ 情景例句
Don't jump the gun.
别轻举妄动。
Not getting the job was a terrible disap-pointment.
得不到那份工作，叫人失望极了。
They said that the march had been forbidden, but that wasn't true.
他们说游行向来是被禁止的，但这不是事实。