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单词 tangent
释义 tangent
['tæn.dʒənt] noun countable
CIRCLE 圆
■a straight line which touches but does not cut into a curve 切线
['tæn.dʒənt] noun countable
TRIANGLE 三角 (written abbreviation tan) specialized
■(in a triangle that has one angle of 90°) the ratio of the length of the side opposite an angle less than 90° divided by the length of the shorter of the two sides that are next to the angle 正切 Compare cosine ; sine
['tæn.dʒənt] noun countable
go/fly off at a tangent UK (US go off on a tangent)
■to suddenly start talking or thinking about a completely new subject 突然离题;突然离开原来的思路
It's hard to get a firm decision out of him - he's always going off at a tangent.很难从他那里得到一个明确的答覆——他老是突然离题扯别的去了。
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更新时间:2025/3/17 1:51:17