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plumb
英/plˈʌm/
美/ˈpɫəm/
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01n.
铅锤, 垂直
02adj.
垂直的
03v.
使垂直, 探测
measure the depth of something; weight with lead; examine thoroughly and in great depth; adjust with a plumb line so as to make vertical
04v.
成垂直
measure the depth of something; weight with lead; examine thoroughly and in great depth; adjust with a plumb line so as to make vertical