Analytical reagentar
[化] 分析纯; 分析纯二级品
🧩 词语组成解析
🗣️ 情景例句
When was your reservation?
您预定的是什么时候？
What flights do you have from New York to London tomorrow?
明天从纽约飞往伦敦的有哪几班机？
Hay had been cut and cowsheds had been cleaned.
干草已切好，牛棚也打扫干净了。