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
She has a very strong personality.
她个性坚强。
Who is going to throw stones?
谁在扔石头？
The pilot managed to circle the balloon for some time.
飞行员设法绕着气球飞了一阵。