全部

1·And its source comes from an unlikely place: pond scum.

而这一方法的来源确是一个看似不可能的地方：池塘里的. .。

2·Daniel Kammen: a variety of algae, actually the common pond scum to various plants, they produce different oils in their cell walls.

丹尼尔·科曼：这里的各种藻类其实是指一般的绿藻类植物。

3·Hostess A botanist like Professor Warren Wagner can be forgiven for being a plant chauvinist. After all, in the beginning came pond scum.

植物学家沃伦·瓦格纳认为植物至上，这情有可原。毕竟，最先出现的生物是绿藻。

4·He began each trial by culturing a thick pea-green soup of algae — the scum of a pond out of whack — directly under the bank of noon-lights.

在每一次尝试开始的时候，他都会先培养出一份浓稠的豌豆绿色的海藻汤——重击产生的一池渣料。

5·There was green scum over the pond.

池塘水面有绿色的浮藻。