leaven

n. 发酵剂，影响力 v. 发酵

leash, least, leastways, leastwise, leather, leather-jacket, leatherette, leathery, leave, leave untouched, leave alone, leave behind, leave in the air, leave off, leave off doing sth., leave open, leave out, leave sth. behind (sb.), leave-taking, leave...alone, leave...behind, leaves, leavings, lecher, lecherous, lecherously, lechery, lectern, lecture, lecturer, lectureship, led, ledge, ledger, lee, lee shore, leech, leek, leer, leery, lees,