Maintenance-free
[计] 不需维护的
🧩 词语组成解析
free
[fri]
adj. 自由的;免费的;免税的;空闲的;
adv. 免费地;自由地，无拘束地;一帆风顺地;
vt. 免除;释放;使自由;解救;
🗣️ 情景例句
By plane?
坐飞机来？
A lazy youth,a lousy age.
少时懒惰老来苦。
After a time, we noticed a snake charmer with two large baskets at the other side of the square,
过了一会儿，我们注意到广场的那一边有一个带着两个大筐的耍蛇人，