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
What's the daily special?
今天有什么特价菜？
I wake my sister up.
我叫醒我妹妹。
I'm feeling thirsty, too! said Meimei. Look, it's noon already! Let's go and have a drink!
“我也口渴了！”梅梅说，“瞧，已是中午了！我们去喝点东西吧！”