Sum-rates method
[化] 流率加和法
🧩 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;
n. 比率；价格；等级（rate的复数形式）
🗣️ 情景例句
The annual school sports meet is held in March.
每年一次校运会在三月份举行。
Do you live across from the Public Hall?
你在大会堂对面居住吗？
Both men had hardly had time to realize what was happening when they were thrown violently into the sea.
他们两个还没来得及意识到究竟发生了什么事情，就被猛地抛入了海里。