round off
短语完成, 把...修圆磨光 [电] 结束
发音
其它
词形变化
rounded off
rounding off
rounds off
三单
rounds off
rounding off
现在分词
rounded off
过去式
rounded off
过去分词
释义与例句
v.
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1.
To change the shape of (an object) to make it smoother and especially more circular or ovoid.
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2.
To change (a number) to an approximation having fewer significant digits.
四舍五入
不及物 及物 数学The instructions say that we are not to round off until we reach the final figure. [in a calculation with interim steps]
Round off 15.4 to 15, round off 15.51 to 15.5 or to 16, round off 0.499 to 0, and round off 970,000 to 1 million.
"This product contains no PCBs" is a typical commercial distortion if it actually contains 0.498 of the measurement unit, rounded off to "0"
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3.
To complete or finish something.
及物