The spinach is shrivelled up. 菠菜蔫了。
The flowers drooped in the heat of the sun. 花兒曬蔫了。
The child looks a bit listless. I'm afraid he's not well. 這孩子有點蔫,怕是病了。
牛津高階第八版
美國韋氏詞典
Dictionary.com
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維基百科 (自由的百科全書)