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
This is fun. It's a piece of cake.
有意思 毫不费力。
The butter has an odor of cheese about it.
奶油的周围飘荡着干酪的味道。
Have you any small change, sir?
先生，您有零钱吗？