1、A buret is used to titrate liquids.
滴定管用于液體滴定。

2、The basic buret is usually operated bY thumb and forefinger.
操作堿式滴定管是用拇指和食指。

3、So I suggest that operate the basic buret with thumb, forefinger and middle finger.
因此，我建議用拇指、食指和中指操作。

buret翻譯