Doctors Stevenson is analyzing one element—carbon-14 in ring from both living and dead trees.

史蒂文森博士正在分析一种元素——活树和死树年轮中的碳-14。

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Dead, sinking phytoplankton cells are the primary means of removing carbon from the ocean's euphotic zone near the surface.

死去的下沉浮游植物细胞的主要作用是吸收接近海洋表面透光层中的碳。

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Dead, sinking phytoplankton cells are the primary means of removing carbon from the ocean s euphotic zone near the surface.

死去的下沉浮游植物细胞的主要作用是吸收接近海洋表面透光层中的碳。

youdao

He and his team studied tree mass, dead wood and soil carbon in twenty-five mangrove ecosystems in the Indian and Pacific Oceans.

VOA: special.2011.05.10

Chris West, the group's vice president, says the way to do this is to harvest carbon-releasing dead trees and plant carbon-hungry new ones.

NPR: Stronger Wildfires Part of Emerging Global Pattern

The storm's toll rose to 11 when a man and woman were found dead in a car in Meriden, apparently due to carbon monoxide poisoning, Devico said.

CNN: Northeast digs out; storms hit Upper Midwest, South

Boston police were investigating another possible death from carbon monoxide when a man in his early 20s was found dead a vehicle.

CNN: STORY HIGHLIGHTS