Signed decimal number
[计] 带符号十进制数
🧩 词语组成解析
signed
[saind]
adj. 有符号的，有正负之分的;
🗣️ 情景例句
Susan, I understand you're in the toy business. Susan
听说 ，是在玩具业工作。
Don't take any notice of what he says-he's pulling your leg.
别理睬他，他在跟你开玩笑。
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。