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1·In the last class, we started talking about useful plant fibers.

上节课，我们开始讨论有用的植物纤维。

2·We collect the poop and rinse it and clean and separate the fibers.

我们收集这些粪便将其冲洗干净并分离出其中的纤维。

3·Fibers of seed plants such as cotton, flax, and hemp are woven into cloth.

棉花、亚麻和大麻等种子植物的纤维被织成布。

4·The tiny fibers that are inside them are being torn apart as muscle soreness develops.

随着肌肉酸痛的增强，肌肉内部的细小纤维正被撕裂。

5·The skin and pulp once again slow down the release of sugars into the bloodstream because they're fibers.

因为它们是纤维，所以皮肤和果肉会再次减缓糖释放到血液中的速度。

6·Today we'll continue talking about useful fibers, and we'll begin with a fiber that's commonly known as Manila hemp.

今天我们将继续讨论可利用的纤维，从一种通常被称为“马尼拉麻”的纤维说起。

7·When muscles perform an activity they aren't regularly exposed to, the tiny fibers that are inside them are being torn apart.

当肌肉进行一项其不常接触的活动时，肌肉内部的细小纤维就会被撕裂。

8·When muscles perform an activity they aren't regularly exposed to, the tiny fibers that are inside them are being torn apart.

当肌肉进行一项不常接触的活动时，肌肉内部的细小纤维就会被撕裂。

9·Van Oosten calls those chemicals sunscreens because their goal was to prevent further light damage and rebuild worn polymer fibers.

范·奥斯坦称那些化学物质为“防晒霜”，用来防止更严重的光损伤，并帮助重建受损的聚合物纤维。

10·Then you take that bundle of fibers and you twist it a little bit, because by twisting it, you increase its breaking strength even more.

然后你拿起那束纤维并稍微扭一下它，因为这样做可以进一步增加它的断裂强度。

(1)carbon fiber碳化纤维，碳素纤维

(1)optical fiber光纤，光导纤维

(1)glass fiber玻璃纤维

(1)chemical fibern. 化学纤维

(1)fiber opticadj. 光学纤维的

(1)steel fiber钢纤维；金属纤维