生物因素

biotic factor的用法和样例：

例句

Herbivory and the interaction with epiphytes are the most important biotic factors affecting the biomass and production of seagrasses.非生物因素一般有最适合海草生长的范围，生物因素的影响具有两面性。
The uptake of dissolved metals, a potentially significant source for overall metal accumulation in bivalves, is liable to be influenced by biotic and abiotic factors.摘要对溶解态重金属的吸收是贝类累积重金属的重要来源之一，易受到生物因素和非生物因素的影响。

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发表于:2018-11-28 / 阅读(259) / 评论(0)

疯狂英语2002年

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发表于:2018-12-16 / 阅读(149) / 评论(0)

2007年VOA标准英语（二月）

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2018年NPR美国国家公共电台5月

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发表于:2019-01-02 / 阅读(196) / 评论(0)

60秒科学

SSS 2009-05-07

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上当的各种地道口语说法

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VOA标准英语2014年(一月)

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发表于:2019-01-16 / 阅读(169) / 评论(0)

2017年NPR美国国家公共电台8月

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发表于:2019-01-16 / 阅读(141) / 评论(0)

2017年NPR美国国家公共电台12月

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VOA常速英语2008年（四月）

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老友记(六人行)

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阅读空间

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经典英文歌曲

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经典英文歌曲

英语表述“上当了”

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实用英语

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地道英语在线听

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流行英文歌曲

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absolute minimal model

automatic centralized grease system

background data terminal