Forward difference operator
[计] 前向差分算子
🧩 词语组成解析
forward
['fɔrwɚd]
adv. 前进地;向前;至将来;提前地;
adj. 向前方的;迅速的;（社会、政治）进步的;早熟的;
vt. 促进，助长;（按新地址）转寄;发送;
n. 前锋;
for前 + ward向... → ad.向前；今后，往后\r\nv.转发
🗣️ 情景例句
Well, it won't be easy.
嗯， 不很容易。
What's your size?
你穿多大号？
Sam was sure that the wallet must have been found by one of the villagers, but it was not returned to him.
萨姆确信那钱包一定是被某个村民捡到了，可是却不见有人来送还给他。