Hard tube
[电] 硬性电子管
🧩 词语组成解析
hard
[hɑrd]
adj. 困难的;硬的;有力的;努力的;
adv. 努力地;猛力地;严重地;沉重地;
n. 英〉硬海滩，登陆处;
🗣️ 情景例句
He's always in and out of jobs.
他老是跳槽。
We're working fast to try and make up for lost time.
我们正加紧工作以争取补偿失去的时间。
Great! Could you bring it to school tomorrow?
好极了！你明天能把它带到学校来吗？