39sBNC²³⁶²¹³⁺¹ 例句 While newer versions are now replacing older L-39s in service, thousands remain in active service as trainers, and many are finding new homes with private owners all over the world. 而新版本现已取代老服务左旋39S的,数以千计的留在现役的教练,许多人发现世界各地的私人业主提出新的家园。 www.fqw.com.cn