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
My wife will love this jade necklace.
我太太一定会非常喜欢这条镶玉的项链。
Paul is negotiating for a job worth $18000.
保罗正在商谈谋求一份年薪 18000美元的工作。
Which speech are you going to listen to this afternoon?
今天下午你准备去听哪个报告？