toughing

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.

互联网

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.

互联网