sinking

n.下沉

sinful, sinfully, sing, Singapore, singe, singer, singing, single, single out, single-minded, singlet, singsong, singular, singularity, singularly, sinister, sink, sink in, sinker, sinkhole, sinking fund, sinlessness, sinner, Sino- (also sino-), sinologist, sinology, sinuosity, sinuous, sinus, sinusitis, sip, siphon, sir, sire, siren, sirloin, sirocco, sirup, sisal, sissy (also cissy),