ragweed

n. 豚草 [医] 豚草, 豕草

发音

US /ˈɹæɡˌwid/

词形变化

ragweeds 复数 ragweeds

释义与例句

n.
  1. 1.

    A plant of the genus Ambrosia. These weeds are particularly noted for producing pollen that triggers hay fever.

    可数 不可数
  2. 2.

    A summer cypress, mock cypress (Bassia scoparia).

    可数 不可数

词汇关系

名词

同义词 5

ambrosia benweed bitterweed ragwort tansy ragwort

上位词 1

weed

下位词 2

common ragweed great ragweed

相关短语

common ragweed un. 美洲豚草 [网络] 普通豚草；普通的豚草；猪草 great ragweed [网络] 伟大的豚草

词源

From rag + weed. Compare Middle English ragwed (“butcher's broom”).

来源：wiktionary