1 自然地
naturally artificially spontaneously artlessly natch of its own accord
2 天然
live natural living native raw crude uncoined naturally crudely
3 自然
natural physical spontaneous unaffected unforced unconstrained unadorned artless unschooled unstudied unartificial naturally artificially spontaneously artlessly unselfconsciously natch nature artlessness of its own accord
4 天然地
naturally crudely