wind blowing opposite to the path of a ship or aircraft
head wound的用法和样例:
例句
The head injury deafened her for life. 她头部受伤以致终身耳聋。
If he had survived the head injuries he got in the crash, he would have been a vegetable for the rest of his life. 他在一次撞车事故中头部受伤,要是还能存活下来,他们的余生一定是个植物人。