food-material
英['fuːdmət'iəriəl] 美['fuːdmət'iəriəl]
These bacteria actually combine the hydrogen sulfide with the carbon dioxide and this chemical reaction is what produces organic material which is the food for larger organisms.
这些细菌实际上就是硫化氢和二氧化碳的结合体,而这种化学反应产生的有机物质是更大的有机体的食物。
As in the sea, it seems that on the land one key food chain collapsed: the one with leaves as its basic raw material.
和在海洋中一样,陆地上一个关键食物链,一个以树叶为基本原料的食物链似乎也崩坏了。
If you are arriving from overseas, bring no food, animal or plant material into the country.
如果你是从海外来的,不要带任何食物、动物或植物进入这个国家。
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