【witchweed】什么意思_英语witchweed的翻译_音标_读音_用法_例句_在线翻译

witchweed
英 [ˈwɪtʃwiːd]

一种杂草

sorghum 高粱 grain sorghum 高粱作物 witchweed 一种杂草 it grws a pleasant looking purple flower。它生长了一种漂亮的紫色花朵。

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短语

1.
N any of several scrophulariaceous plants of the genus Striga, esp S. hermonthica, that are serious pests of grain crops in parts of Africa and Asia 独脚金

However, secretions from the trees' roots stimulate the germination of the witchweed seeds before crop planting.

ECONOMIST: A new twist on an old idea is improving farm yields in Africa
With nothing to feed on, the witchweed then dies, leaving the field clear for the next sowing season.

ECONOMIST: A new twist on an old idea is improving farm yields in Africa
Crops are often damaged by witchweed, a widespread crop parasite that usually germinates after a cereal crop is planted.

ECONOMIST: A new twist on an old idea is improving farm yields in Africa

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