复数： aspens
易混淆的单词： AspenASPEN

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Aspen isn 't very flammable , making for a slow-burning , non-fingertip-singeing matchstick .

山杨并不易燃，有利于制造慢速燃烧、不致烧伤手尖的火柴棍。

It includes some of the world 's largest stands of fast-growing aspen trees , which can gain 5 feet ( 1.5 meters ) in a year .

那里生长着世界上规模最大的速生白杨树，每年可以长高5英尺（1.5米）。

In aspen , asexual reproduction or clonality is achieved via underground lateral roots that eventually produce new clone members / ramets .

山杨的无性生殖或者说细胞克隆可以通过将它根的横切面在水下进行培养，最终它可以长成新的克隆无性系分株。

When I saw this bright yellow aspen grove on the side of the road , I hiked into it to see what pictures I could get .

当我看到路边上明亮、黄色的山杨树林时，我就徒步走了进去，观察可以拍摄那些照片。

Researchers at the university of british columbia have shown that as long-lived male aspen clones age , their sexual performance declines .

英属哥伦比亚大学的研究者的研究表明随着雄性克隆山杨年龄的增长，他们的交配能力却在逐渐减弱。