这是纤维质的一种，不是吗？

That's one of the fibers, isn't it?

youdao

复杂碳水化合物如纤维素、半纤维素基本上是不能消化的，就象植物性食物中所找到的许多低聚糖、某些其它碳水化合物、树胶和纤维质材料一样。

Complex carbohydrates, such as cellulose and hemicellulose, are largely indigestible, as are a number of origins.

youdao

在七天的实验里，每隔一定时间就要更换一次纤维，然后用一种叫做气相色谱质谱联用仪的装置提取以供分析。

The fibres were replaced at regular intervals over the course of seven days and taken away for analysis by a device called a gas chromatograph-mass spectrometer.

youdao