Maintenance free
[化] 不需维修的
🧩 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
Well, they didn't say anything for sure.
嗯， 他们没有任何确切的答覆。
It's due in at noon.
正午到达。
The life history of the individual is first and foremost an accommodation to the patterns and standards traditionally handed down in his community.
个人的生活史首先就是适应他的社团世代相传形成的生活方式和准则。