重点词汇
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延迟
delay; postpone; retard; procrastinate; put off; hold up; set back; postponement; on hold; on ice; delayed; tardy; retardant
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症状
symptom; sign; symptomatic
delayed symptoms
延迟
delay; postpone; retard; procrastinate; put off; hold up; set back; postponement; on hold; on ice; delayed; tardy; retardant
症状
symptom; sign; symptomatic