I suspect that turnips were a common root vegetable at the time.

我怀疑萝卜在当时是一种常见的根菜。

One of his latest projects has been to make plants glow in experiments using some common vegetables.

他的最新项目之一是通过实验使植物发光，实验中所使用的是一些常见的蔬菜。

One of his latest projects has been to make plants grow in experiments using some common vegetables.

他的最新项目之一是使用一些常见的蔬菜在实验中让植物生长。

The technology is still in its early stages, but the team was able to create a faint light in some common vegetables for three and a half hours.

该技术仍处于早期阶段，但该团队能够在三个半小时内在一些常见蔬菜中产生微弱的光。

The most common vegetable in a salad is lettuce, which is typically green, although it can be red and perhaps blue – no, I don't think it can be blue, just kidding!

沙拉中最常见的蔬菜是生菜， 它通常是绿色的，尽管它可以是红色的， 也可能是蓝色的——不， 我不认为它可以是蓝色的， 开玩笑的！