perseverance音标
perish音标
perspiration音标
persecute的音标
perceive音标
persimmon音标
perl音标
period音标
perioperative音标
perched音标
persevering音标怎么读
persevering音标是什么
perseverence音标
persevering是什么意思
persevere的音标
persevering怎么读
persevering和perseverant区别
perseverance
prescribe音标
persuit音标