背拱 meaning in Chinese

back arch
rear arch
rear vault

The cat arches its back when it sees the dog
猫看到狗,就会把背拱起
The cat arched its back and then , after a prolonged sniff at the big white beard , the gluey odor of which doubtless disgusted her , she turned and , curling herself up , went to sleep again on the bench beside him
猫把背拱得高高的，接着嗅了好一阵子他长长的白胡子，大概厌恶白胡子上的胶水味，又回到长椅子上，把身子缩成一团睡觉了。