单词	right triangle
释义	right triangleˌright ˈtriangle noun [countable] American English a triangle which has an angle of 90° SYN right-angled triangle British English
随便看	sleepover sleepwalk sleepwalker sleepwalking sleepy sleepyhead sleet sleety sleeve sleeveless sleigh sleight of hand slender slenderness slept sleuth sleuthing S level slew slice sliced bread slick slicker slickly slickness

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