Empretron
汞弧离子管
🗣️ 情景例句
Bet the farm!
全赌上！
One cannot always be a hero, but one can always be a man.
人难一世称雄，但可一生为人。
Most of Debbie's school friends will be waiting for her on the English coast.
黛比的大部分同学将在英国海岸等候她。