C battery
栅偏压电池；棚极电池组
🧩 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
🗣️ 情景例句
Five, five, five, seven, five, three, two.
5557532。
How much is the postage for this?
这个邮费要多少钱？
I've no idea. He just asked me to come round for supper.
我也不知道，他只是叫我过来吃晚饭。