英语英标问题./有追加分答:[ei]<ey>:hey,they,grey,storey, prey,trey,gley riley [ei]<ai>:main, rain, mountain, pain, faint, wait, laid, maid [oi]<oy>:toy, boy, boycott, annoy, troy, loyal, royal, soy [oi]<oi> poison, noise, oil, spoil, coin, soil, roil, moist [r] <rr> oral, natural...