同根派生 birds of passage相關(guān)詞英漢例句Many migratory birds visit this lake annually.許多候鳥每年到這個湖上作短期逗留。It has been really rare to see migrant birds here.現(xiàn)在在這里看到候鳥已經(jīng)很不容易了。birds of passage更多例句