n. 山杨

a. 山杨的, 颤抖的

[机] 山杨; 山杨的

[ noun ]
any of several trees of the genus Populus having leaves on flattened stalks so that they flutter in the lightest wind
<noun.plant>

Aspen \Asp"en\ ([a^]s"p[e^]n), a.
Of or pertaining to the aspen, or resembling it; made of
aspen wood.

Nor aspen leaves confess the gentlest breeze. --Gay.


Aspen \Asp"en\ ([a^]s"p[e^]n), Asp \Asp\ ([.a]sp), n. [AS.
[ae]sp, [ae]ps; akin to OHG. aspa, Icel. ["o]sp, Dan. [ae]sp,
Sw. asp, D. esp, G. espe, ["a]spe, aspe; cf. Lettish apsa,
Lith. apuszis.] (Bot.)
One of several species of poplar bearing this name,
especially the {Populus tremula}, so called from the
trembling of its leaves, which move with the slightest
impulse of the air.