...S与SE什么时候发〔s〕什么时候发〔z〕与〔iz〕答:3. /S, Z, ∫, t∫, dз / 五音后加(e)S,读/iz/: buses, boxes, classes, watches 4. ts ,tes /ts/: bats, cats, hats, shirts, elephants, classmates 5. ds ,des /dz/: birds, friends, hands, kids, kinds, grades,6. 不规则变化(1)man—men, woman—women, ...