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
Yes, we have. For how many?
有，要几张？
This windows is junst as small as that one.
这扇窗户刚好和那扇一样小。
In the conversion of saliva into poison, one might suppose that a fixed process took place.
人们可能认为，唾液转变成毒液，其中有固定的程序。