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
We're going to take it slow first.
开头我们要做慢一点。
We're looking for a house to rent for the summer.
我们正在寻找一幢夏天租的房子。
In this way self-confidence grows, first from mastering a subject, then from being able to take about it.
这样，你自信心不断增强，先是因为掌握一门学问，接下来是因为能够就此发表见解。