相关单词近义词 flimsy 轻而薄得, light 光, slight 轻微的, weak 弱的, frail 脆弱的, thin 薄的, jejune 空洞的, unreal 不真实的, unsubstantial 不实在的反义词substantial, 大量的临近词Ins, Insola相似词instrumentalist, instrumentation, insubordinate, insubordination, insufferable, insufficiency, insufficient, insular, 返回 insubstantial