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单词
cosine
释义
cosine
n. Math. the ratio of the side adjacent to an acute angle (in a right-angled triangle) to the hypotenuse.
Etymology
: mod.L cosinus (as CO-, SINE)
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RICS
rictus
rid
riddance
ridden
riddle
riddling
ride
rider
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ridgeway
ridicule
ridiculous
riding
Riesling
rife
riff
riffle
riff-raff
rifle
rifleman
rifling
rift
rig
rigadoon
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更新时间:2025/9/17 10:25:15