你能帮帮他们吗
i'm happy hear from you.i got yor letter yesterday hear要变为过去
1年前
Press the armhole seam allowance toward the sleeve 翻译
1年前
定义域为R的函数f(x)满足条件:①[f(x1)-f(x2)](x1-x2)>0(x1,x2∈R+,x1≠x2);②f(
1年前
The old man told us a sad story and made most of us__(cry).
1年前
If you want to speak good English,a large _____ is needed.
1年前