aspen

详细解释:n. 山杨
a. 山杨的, 颤抖的
【机】 山杨; 山杨的

英语解释：

名词 aspen:

any of several trees of the genus Populus having leaves on flattened stalks so that they flutter in the lightest wind

例句：

After she learned of the accident, the girl began to shake like an aspen leaf.当这位姑娘得悉那场意外事故时，她浑身发抖。