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
Spring has sprung and all the flowers are blooming.
春天来了。花儿都开了。
No garden without its weeds.
有利必有弊。
But the chances are against it,
但这种可能性很小。