“拱背”怎么读？

动物们惊起时, 则有发作性咳嗽和拱背.When the animals were roused, there was a paroxysmal cough with the back arched.黑色拱背果蝇种组三新种记述 ( 双翅目: 果蝇科 )THREE NEW SPECIES OF NICRICOLOR SPECIES - GROUP OF DROSOPHILA ( LORDIPHOSA ) ( DIPTERA: DROSOPH...

“拱背”的英语可以翻译为：hogback，extrados ...