two half-gallon cartons是什么意思

two half-gallon cartons是什么意思 two cartons of orange 40 miles per gallon是什么意思 请问大家12 gallon是什么意思 There are two cartons of milk. 一.按问题写句子 1.I'd like two cartons of milk.(画线部分提问,two cartons two and a half Half是什么意思? ____ economically,one gallon of oil will last at least two m one-second 还有two-third又是什么意思?有a half of the children 这种说法吗 two hours and a half 初一英语、急1、There are（ two cartons of) orange juice in the fridg