I paid my seven-fifty, had my gumboots ready, shoved my digital camera into my school bag and made sure everything is ready.

不过还要花二十块钱买一双胶靴。顺便还带了老妈的数。

In this paper, the distance-time performance in prey response of Zebra Danio (Danio rerio) was investigated by employing a high speed digital video camera (1000Hz).

本文利用数字式高摄定量地研究了斑马鱼巡游状态做出捕食反应的运动过程。