用“hard sledding”造句大全,hard sledding造句
Luck has come our way at last, after all the hard sledding.
Natural water retting has the weak points of long retting time, hard sledding, unstable quality and water pollution.
Luck has come our way at last, after all the hard sledding.
Natural water retting has the weak points of long retting time, hard sledding, unstable quality and water pollution.