Concentric groove
[电] 同心槽
🧩 词语组成解析
groove
[ɡruv]
n. 沟，槽;[俚语]常规，老套：确定的规范;[俚语]理想状况;[俚语]非常愉快的经历;
vt. 刻沟，刻槽;
vi. 极其快乐，极其满意，过得快活;受愉快的刺激影响;投合，契合;
🗣️ 情景例句
we're all in for trouble.
我们都会吃不消的。
After the flood, the carpets were wet for a month.
洪水过后一个月，毛毡还是湿的。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，