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
I have to remember to put them in the bag
我必须记得将它们放进袋子里
Better wear out shoes than sheets.
宁可（经常运动）穿破鞋子，也不（因病长卧）磨破床单。
I understand you want to increase your order.
我知道你想增加订购量。