slave-trade (also `slave-traffic)

n [sing] the capturing,transporting, buying and selling of people as slaves 奴隶买卖.

slant, slanted, slantingly, slantwise, slap, slap (also ,slap-bang), slap-happy, slap-up, slapdash, slapstick, slash, slat, slate, slattern, slatternliness, slatternly, slaty, slaughter, slaughterhouse (also abattoir), slave, slave-driver, slaver, slavery, slavish, slavishly, slay, SLD, sleaze, sleazily, sleaziness, sleazy, sled, sledge, sledge (also esp US sled), sleek, sleekly, sleekness, sleep, sleep-walker, sleep-walking, sleeper,