Signed digit number system
[计] 带符号数制
🧩 词语组成解析
signed
[saind]
adj. 有符号的，有正负之分的;
digit
['didʒit]
n. 数字;手指，足趾;一指宽;
🗣️ 情景例句
Good morning.
早安。
The roofer is patching the roof with metal.
屋面防水工在用铁皮修补屋顶。
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。