Gather and tie the leaves over the head, and do not wait for the buds to separate before harvesting.

VOA: special.2010.03.09

Before that, diabetics had been treated with insulin that came from a different source, usually from pigs, so by harvesting and purifying insulin from pig pancreas.

在此之前 糖尿病患者,所用的胰岛素来自于不同的来源,通常是从猪身上提取的,是从猪的胰腺中提取并纯化而成的

耶鲁公开课 - 生物医学工程探索课程节选

And they did that by intentionally infecting calves, by harvesting their skin when they were at a certain point of the disease, and by isolating the virus from the skin of the calves.

他们有意感染很多小牛,当小牛疾病发展到一定程度,就收割牛皮,然后把病毒从牛皮里分离出来

耶鲁公开课 - 生物医学工程探索课程节选

Many of the animals die when people harvesting other kinds of fish pull in sharks by accident.

VOA: special.2009.06.16

Also,because the plants are tall, a person can stand while harvesting the beans.

VOA: special.2009.03.24

Local students have been planting seeds,harvesting vegetables and learning about health and nutrition.

VOA: special.2010.06.07

They include illegal harvesting and activities linked to deep-sea fishing.

VOA: special.2009.05.12

But wild populations have been reduced by too much harvesting.

VOA: special.2009.04.07

"You can buy local honey. Local honey is available at stores only because there is a local beekeeper who went to the trouble of harvesting it, so the more beekeepers there are, the more honey there is.

VOA: special.2011.05.24

Like his father and his grandfather before him, he makes his living harvesting the fish and shellfish of the Louisiana Gulf coast.

VOA: standard.2010.05.04

But the impact does come,says Cohen, noting that more than harvesting crops grown with seeds, fertilizer and tools donated to help them cope with the earthquake's aftermath.

VOA: standard.2010.07.16

And while they're harvesting cotton in this field,they're planting wheat in fields nearby.

VOA: standard.2009.12.12

Harvesting salt along the coast of West Africa is an age-old business.

VOA: standard.2010.03.29

The program focuses on all stages of production from planting and harvesting to packaging and promotion, increasing the profitability of farmers who previously struggled to afford costly chemical fertilizers.

VOA: standard.2010.04.11

Their mobile phones could save them a trip. So,while it may not be good for plowing a field or harvesting vegetables, the mobile phone is becoming one of a farmer's most valuable tools.

VOA: standard.2010.07.28

And these mudbugs,as some call them, are about to become an even more important part of the region's seafood platters now that shrimp,oyster, and crab harvesting has been shut down in affected areas of the Gulf of Mexico.

VOA: standard.2010.06.17

Rice is one of the world's most abundant food crops. The success of this grain can be attributed to the availability of both manpower for planting and harvesting, as well as plentiful rainfall in the regions where it's grown.

VOA: standard.2010.06.25