现在，我不会提供石蕊测试。

Now, I would not provide a litmus test.

水解干酪素、胨化石蕊牛奶最后变碱。

This strain hydrolyzes casein, and peptonizes litmus milk and turns it into alkaline.

涅尔谢相博士的滴定实验中的“石蕊指示剂”是一种叫帚尾袋貂的动物。

In Dr Nersesian’s titration the litmus was a species called the brushtail possum.