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to throw into; to put into; to throw oneself into; to participate in; to invest in; absorbed; engrossed
to cast; to send; to throw oneself (into the river etc); to seek refuge; to place oneself into the hands of
to enter; to go into; to join; to become a member of; to confirm or agree with; abbr. for 入声
他全身心投入到工作中。
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