Empretron
汞弧离子管
🗣️ 情景例句
Most people I meet have some English ability, but the ones who work hard at it really stand out from the crowd.
我遇到的多数人都会点英语，但只有那些刻苦学习的人才鹤立鸡群，给我深刻印象。
If you want knwledge, you must toil for it.
若要求知识，必须刻苦学习。
We're now going back to the studio.'
现在我们回到电视演播室。”