Constructive definition
[计] 构造性定义
🧩 词语组成解析
constructive
[kən'strʌktiv]
adj. 建设的，建设性的;积极的，有助益的;构造上的;[法]推定的;
🗣️ 情景例句
Fine. How much would you like to exchange, sir?
好的。您要兑换多少呢，先生？
If the sky fll (or falls), we shall catch larks.
异想天开
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一个气垫来支撑船体，低压空或软垫，软垫周围用高压空气环绕。