UNDEVELOPED
elaborated' }; d8 W7 B- v& F- r( p4 U) s% h/ r" {1 V: e5 I. ]
accelerated7 n9 ^% y7 [2 N+ ]# R
msustained
ambitious
fertile4 R6 T5 p( u9 B* 答案是D ambitious 见 韦氏 : not : IN-, NON- ? in adjectives formed from adjectives *unambitious* *unskilled* or participles *undressed*, in nouns formed from nouns *unavailability*, and rarely in verbs formed from verbs *unbe* ? sometimes in words that have a meaning that merely negates that of the base word and are thereby distinguished from words that prefix in- or a variant of it (as im-) to the same base word and have a meaning positively opposite to that of the base word *unartistic* *unmoral*
2 : opposite of : contrary to ? in adjectives formed from adjectives *unconstitutional* *ungraceful* *unmannered* or participles *unbelieving* and in nouns formed from nouns *unrest*