Add and subtract relay
[电] 加和减的继电器
🧩 词语组成解析
add
[æd]
vt. 增加;补充;附带说明;把…包括在内;
vi. 增加;做加法;累积而成;扩大;
n. 加法，加法运算;（一篇报道的）补充部分;
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
relay
[rɪ'lɛi]
n. 接替人员，替班;传递;接力赛;继电器;
vt. 转播，传达;用驿马递送，使接替;分程传递;
🗣️ 情景例句
to have a family and grandchildren.
拥有一个家庭和孙子们。
A journey of a thousand miles begains with a single step.
千里之行，始于足下。
The men of our family waded down through our flooded meadows with boathooks, in the hope of being able to grapple a corner of the raft and pull it out of the current towards our bank.
我家的男人们手拿船篙过被水淹没草场，希望能够钩住筏子一角，将它拽出激流，拖回岸边。