您要查找的是不是：
- People plant trees on the barren hillock to prevent soil erosion. 人们在荒丘上种植了树木以减少水土流失。
- People plant trees on barren hillocks to reduce soil erosion. 人们在荒丘上种植了树木以减少水土流失。
- People plant trees on barren hill sides for soil erosion control. 人们在荒丘上种植了树木,以减少水土流失。
- People plant trees on the barren mountain to keep water and soil. 人们在荒丘上种植了树木以减少水土流失。
- That. He doesn't know whether they will plant trees on Saturday or not. 他不知道他们周六是否会去植树。
- People plant trees on badlands in order to reduce missing land ande water. 人们在荒丘上种植了树木以减少水土流失。
- plant trees on road 公路绿化
- They are planting trees on the hill these days. 这几天他们正在山上种树。
- People plant trees on the bared hills to reduce water of washing out. 人们在荒丘上种植了树木,以减少水土流失。
- People plant trees on stark hill in order to deline the water and soil loss. 人们在荒丘上种植了树木以减少水土流失。
- People plant trees on waste hills to decrease water and soil erosion. 人们在荒丘上种植了树木,以减少水土流失。
- People plant tree on the blad hill to prevent water and soil be rubbshed. 人们在荒丘上种植了树木,以减少水土流失。
- Hundreds of people were planting trees on the hill yesterday. 昨天几百人在山上栽树。
- A number of students are planting trees on the hill. 许多学生在小山上植树。
- People plant trees on the barren hillock for reducing the losing of the water and soil. 人们在荒丘上种植了树木以减少水土流失。
- People plant trees on the treeless mountain to reduce water and earth loss. 人们在荒丘上种植了树木,以减少水土流失。
- People plant trees on desolate hillock, in order to lessen water and soil erosion. 人们在荒丘上种植了树木,以减少水土流失。
- People planted trees on the waste hills to decrease water and soil loss. 人们在荒丘上种植了树木，以减少水土流失。
- Expenditure on road repairs has been cut to an irreducible minimum. 修路费已削减到不能再减的最低限度了。
- Expenditure on road repair has been cut to an irreducible minimum. 修路费已削减到不能再减的最低限度了。
