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。
| 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。 声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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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