These tiny things form the base of the food chain and play an important role in the global carbon cycle.
这些微小的东西构成了食物链的基础，并在全球碳循环中发挥着重要作用。
2
If the round blob looks elliptical, that's perhaps due to interaction with the graphite tip that supports the carbonchain, the researchers think.
如果圆球变为椭圆状的，研究者认为那可能是因为支撑碳原子链的石墨与电子间的相互作用。
3
A series of experimental studies were made on the effect of amide collectors with different length of carbonchain on flotation behaviors of hemimorphite quartz dolomite and limonite.