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
I always wanted to travel to Europe but I was afraid that language would be a problem.
我总想去欧洲旅游，但我又怕语言是个问题。
Don't try to pull one over me!
别想骗我！
I am too tired to speak.
我累得说不出活来。