sleep

v./n.睡眠，睡觉

slaughterhouse (also abattoir), slave, slave-driver, slave-trade (also `slave-traffic), slaver, slavery, slavish, slavishly, slay, SLD, sleaze, sleazily, sleaziness, sleazy, sled, sledge, sledge (also esp US sled), sleek, sleekly, sleekness, sleep-walker, sleep-walking, sleeper, sleepily, sleepiness, sleeping bag, sleeping partner (US `silent partner), sleeping policeman, sleeping sickness, sleeping-bag, sleeping-car, sleeping-pill, sleepless, sleeplessly, sleeplessness, sleepwalk, sleepwalker, sleepy, sleet, sleeve,