swallow-dive (Brit) (US swan-dive)

n type of dive with the arms spread out until one is close to the water （直体）向前跳水; 燕式跳水.

sustain, sustained, sustenance, suture, suzerain, suzerainty, svelte, SW, swab, swaddle, swaddling-clothes, swag, swagger, swagger-stick (also `swagger-cane), swaggering, swaggeringly, swagman, swain, swallow, swallow up, swam, swami, swamp, swampy, swan, swan-dive, swan-song, swank, swanky, swap, swap (also swop), sward, swarm, swarthy, swashbuckling, swastika, swat, swathe, swatter, sway,