
1.在th后以字母-er结尾的单词中, 例如: altogether [?lt?gee?(r)] adv.总共 farther ['fɑ?e?] adv. 更远地 feather [&#......
1.在th后以字母-er结尾的单词中, 例如:altogether [?lt?gee?(r)] adv.总共 farther ['fɑ?e?] adv. 更远地feather ['......
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