It only takes a drop or two.

只需要一两滴。

It could take a drop of water a thousand years to make the full trip.

一滴水可能需要一千年才能完成完整的旅程。

Temperature is always stay the same and so nice to swim, after a long way of hiking, why not take a drop into the Blue Hole.

温度总是保持不变，所以很适合游泳，长途跋涉后何不跳进潭里清爽一下呢？

But if you took a drop of blood from the brain of an Albert Einstein, it would show no fatigue toxins whatever at the end of the day.

但是，如果你从阿尔伯特·爱因斯坦的大脑中取出一滴血，一天结束时它不会显示出任何疲劳毒素。

The symptoms are similar to the flu, and so the goal standard for diagnoses is to take a drop of blood, spin it in a centrifuge and then look at under a microscope.

这种病的症状和流感很像，所以确诊的标准是取一滴血，让它在离心机中旋转，再拿到显微镜下观察。

With infinite care, he took a drop or two from the grounds in each cup, sealing them up in separate test tubes, tasting each in turn as he did so. His physiognomy underwent a curious change.

他非常小心地从每个杯子里的咖啡渣中取出一两滴，将它们密封在不同的试管中，一边依次品尝。他的相貌发生了奇怪的变化。