non-native
/ˌnɒnˈneɪtɪv/adjective
1- (of a person, plant, or animal) not indigenous or native to a particular place（人, 植物, 动物）非土著的, 非土产的, 非本地的。
1.1
- (of a speaker) not having spoken the language in question from earliest childhood（语言使用者）非母语的。