sit down to dinner

sit about sit above the salt sit around sit astride a horse sit at sb's feet sit at session sit at the board with sit at the stern sit back sit by sit down sit down at table

tri-isobutylene tri-isopropanolamine tri-n-butyl citrate tri-n-butyl phosphine tri-n-butylchlorostannane tri-o-cresyl phcsphate tri-o-cresyl thiophosphate tri-O-tolyl phosphate tri-p-biphenyl phosphate tri-service