当你停止挤压汽水瓶, 压力减小,滴管就会浮起.When you stop squeezing bottle, the pressure decreases and the eyedropper floats.挤压橡胶球和插入滴管到瓶子里面.Squeeze the rubber bulb and insert the dropper into the bottle.一只年幼的倭狐猴从滴管里吸食它的食物.A young mouse lemu...

“滴管”的英语可以翻译为：urette，dropper，dropping pipette ...