1. 副詞
   不穩定地, 不平穩地
   不規律地, 不定地
   怪異地
   

   同義字詞
   aimlessly,anyhow,anyway,anywise,desultorily,haphazard,haphazardly,helter-skelter,hit or miss,irregularly,randomly,willy-nilly
   

例句

1. Lug: Racing erratically and hanging in.
2. But what if it still reads erratically ?
3. An aide said Hulsey was " acting erratically "?
4. Heart pounding erratically , she stared into his eyes.
5. Later in the month Natasha begins behaving erratically .
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