
好词典

源自cotton(棉花)+ wood(木材),因其种子附着白色棉絮状物质而得名,最早记录于18世纪。
❶ 一种北美常见的杨树,因种子带有白色棉絮状绒毛而得名,多生长在河岸或湿润地区。
“The cottonwood trees along the riverbank shed their fluffy seeds in early summer.”
(河岸边的棉白杨树在初夏时节飘落它们毛茸茸的种子。)
“We set up our picnic under the shade of a giant cottonwood.”
(我们在一棵巨大的棉白杨树荫下野餐。)
cottonwood fluff — 指棉白杨种子周围飘散的白色绒毛状物质,常在空中漂浮,类似棉絮。
“The air was filled with cottonwood fluff, looking like summer snow.”
(空气中飘满棉白杨絮,看起来像夏日的雪。)