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
Are you sure about that?
你真的这么想吗？
He irons sweaters every day.
他每天都烫衣服。
(Gets very excited.) To sell such a suit as that to a millionaire!
（突然变得激动起来。）竟然把这样一套衣服卖给一位百万富翁！