倍投进一退二方法简介：I saw him limping and sweating profusely as he ran. He kept waving in this direction and shouting something from time to time. Judging from the expression on his face, he was extremely anxious.
I saw him limping and sweating profusely as he ran. He kept waving in this direction and shouting something from time to time. Judging from the expression on his face, he was extremely anxious.
