Methods of formol titration
[医] 甲醛滴定法
🧩 词语组成解析
n. 方法, 方式；研究方法（method的复数）
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
甲醛
n. 滴定\\n[化] 滴定; 滴定法
🗣️ 情景例句
Those are the rules and regulations, and we have to abide by them.
这些就是这儿的规矩， 大家都应该遵守。
If I went with you,I'd have to be back by six o'clock
如果我与你一起去了，我将不得不在6点钟回来。
Yes. That's just right. It's nice and soft, too.
对。那正好，又软又好看。