toughing例句

He was a friend with whom I was toughing the winter out.
他是和我一起熬过那个冬天的朋友.

Toughing of rubble in tyre is key to enhancing its strength of the interfaces of crystals.
轮胎橡胶增韧的关键是要增强晶界之间的强度.

• #toughing