1
locoweed [verb]
作为主语，后接谓语动词。
Locoweed contains alkaloids that are toxic to livestock.
疯草含有对牲畜有毒的生物碱。
疯草
locoweeds — plural of locoweed
先理解核心含义，再看它在真实句子里的用法。
疯草
any of several leguminous plants of western North America that cause locoism in livestock
Locoweed contains alkaloids that are toxic to livestock.
疯草含有对牲畜有毒的生物碱。
美国西部原产的几种植物之一,属于棘豆属或黄芪属。
Any of several plants indigenous to the western United States, of genus Oxytropis or Astragalus.
Livestock that graze on locoweed can become sick.
牲畜吃疯草会生病。
Farmers need to remove locoweed from their pastures.
农民需要从牧场清除疯草。
The locoweeds in this area are a danger to horses.
这个地区的疯草对马很危险。
作为主语，后接谓语动词。
Locoweed contains alkaloids that are toxic to livestock.
疯草含有对牲畜有毒的生物碱。
作动词宾语。
Cattle that ingest locoweed may show neurological symptoms.
摄入疯草的牛可能出现神经症状。
作定语修饰名词。
Locoweed poisoning can cause significant economic losses.
疯草中毒可能导致重大经济损失。
用于被动语态。
Horses are often affected by locoweed in early spring.
马在早春时常受疯草影响。
Not this
The horse became locoweed after eating the plant.
Use this
The horse became loco after eating locoweed.
“locoweed”是名词，意为“疯草”；表示“发疯的”应使用形容词“loco”。
Not this
The rancher saw many locoweed in the pasture.
Use this
The rancher saw many locoweeds in the pasture.
“locoweed”是可数名词，复数形式需加“-s”。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.