n.希腊字母第12个字母
I hear they have opened500 Mu of rice field. 我听说他们开垦了五百亩稻田。
The people's commune laid down another20 mu in( to, with, under) grass. 这个人民公社在另外二十亩土地上种上了牧草。
The paddy area was extended to900000 mu last year. 去年稻田面积扩大到了90万亩。
