Professor Walker says straw takes in carbon dioxide as it grows. So it can be seen as having no harmful effects on the environment.

沃克教授说，稻草能在生长过程中自行吸收二氧化碳，因此对于环境无任何负作用。

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Professor Walker says straw takes in carbon dioxide as it grows. So it can be seen as having no harmful effects on the environment.

沃克教授说，稻草能在生长过程中自行吸收二氧化碳，因此对于环境无任何负作用。

youdao