longstanding的知识精选

“longstanding”可以造什么句,longstanding造句
H.pyloriinfectionisoftenlongstanding.Wearepleasedtohaveresolvedthislongstandingpuzzle.NorthKorea,alongstandingideologicalally,hashadincreasinglytestyrelationswithChinainrecentyears.Therelationshipbetw...
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