Decreasing cost
[经] 递减成本
🧩 词语组成解析
decreasing
[di'kri:siŋ]
adj. 减少的，渐减的;
v. （使）缩短，减小，减少( decrease的现在分词 );
cost
[kɔst]
n. 价钱，代价;花费，费用;牺牲;[用复数][法律]诉讼费;
vi. 价钱为，花费;估计成本;
vt. 付出代价;估价;使丧失;使付出努力;
🗣️ 情景例句
We tested it last week on twelve- to fifteen-year-olds,
我们上一周曾在十二岁至十五岁的孩子中试过这项游戏，
His argument doesn't hold water.
他的论点站不住脚。
and usually lashes fiercely with its trunk in all directions.
往往是用鼻子朝各个方向猛烈地甩动。