1.He wiped a dribble of saliva from his chin.

1.他擦掉了下几滴口水。

2.For the chlamydia and gonorrhoea tests, your beau needs to collect a urine sample and the HIV test requires a saliva sample.

2.要想做好淋病以及原体性检测，你男友需要份尿样，而HIV检测则需要唾液。