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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。
(高速公路)允许双向交通的；双向行驶的。
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(高速公路)允许双向交通的；双向行驶的。；双方支持的；(交通或可见性)沿相反方向移动或发生的；双向的。；包含两个部分或元素的；允许双向通信的,即既能发送也能接收的。
Of a highway, allowing traffic in two directions.
a two-way treaty
一项双边条约
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(高速公路)允许双向交通的；双向行驶的。
Of a highway, allowing traffic in two directions.
双方支持的
supported by both sides
(交通或可见性)沿相反方向移动或发生的；双向的。
Of traffic or visibility, moving or occurring in opposite directions.
包含两个部分或元素的
involving two parts or elements
a two-way treaty
一项双边条约
a two-way valve
一个双向阀
two-way traffic
双向交通
two-way streets
双行道
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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。
Dictionary facts from ECDICT, WIKTIONARY.