Battery-operated
电池供电的\\n用电池作电源的
🧩 词语组成解析
battery
['bætri]
n. [电]电池，蓄电池;[军]炮台，炮位;一组;[法]殴打;
bat =beat,表示”打,击”#词根助记：bat打击,battery曾经主要表示用来打击目标的大炮
a. 操作的
🗣️ 情景例句
When I say something, I mean it.
我说的一定会兑现。
Dot the i's and cross the t's.
一点一划，循规蹈矩。
From the shore line, out to a distance which may be anywhere from a few miles to a few hundred miles,
从海岸线向大海延伸几英里到几百英里的区域是大陆架慢坡，