奇妙自然
2012-04-29 00:00:00
英語大王 2012年8期
Fish have ears. But they only have inner ears（內(nèi)耳）. They don’t have middle ears（中耳） or outer ears（外耳）.
Fish have ears. But they only have inner ears（內(nèi)耳）. They don’t have middle ears（中耳） or outer ears（外耳）.
