Primecost sum
[经] 预定款
🧩 词语组成解析
sum
[sʌm]
n. 总数;算术;金额;概略，要点;
vt.& vi. 总计;总结，概括;归纳;
🗣️ 情景例句
Sure. You take the next left turn.
当然。你在下一个路口左转。
Sorry, they are already full.
抱歉，全部满了。
Wherever it went, it left behind it a trail of dead deer and small animals like rabbits.
无论它走哪儿，一路上总会留下一串死鹿及死兔子之类的小动物，