Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
牵引器
先理解核心含义，再看它在真实句子里的用法。
牵引器；拖拉机
a wheeled vehicle with large wheels; used in farming and other applications
正在加载中文释义…
a wheeled vehicle with large wheels; used in farming and other applications
正在加载中文释义…
a truck that has a cab but no body; used for pulling large trailers or vans
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Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
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.