那时以来

1.
since then
then的用法_百度知道 ... now and then 间或; 时时; 不时地 since then 那时以来 till then 一直到那时, 到那时为止 ...
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Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard