相关单词近義詞 flimsy 輕而薄得, light 光, slight 輕微的, weak 弱的, frail 脆弱的, thin 薄的, jejune 空洞的, unreal 不真實的, unsubstantial 不實在的反義詞substantial, 大量的臨近詞Ins, Insola相似詞instrumentalist, instrumentation, insubordinate, insubordination, insufferable, insufficiency, insufficient, insular, 返回 insubstantial