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单词 serotinous
例句
英语例句库

The observed clinal variation in the frequency of serotinous cones may be described as a fairly regular decrease in all directions .

所观察到的晚熟球果的频率梯度变异可描述如下:向四周相当有规律地渐次减少。

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原声例句
TED-Ed(视频版)

Serotinous cones are produced in thousands, and are like waterproofed time capsules sealed with resinous pitch.

成千上万的晚熟松果,犹如被树胶密封的防水胶囊。

TED-Ed(视频版)

There are the regular annual cones that release seeds spontaneously, and another type called serotinous cones, which need an environmental trigger to free their seeds.

一种松果每年定期自然释放种子,而另一种则为晚熟松果,它们需要一个环境来触发释放他们的种子。

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