dis- (not, the opposite of)
disadvantage(不利条件, 缺点, 劣势), dislike, disagree, disappear, disarm(解除武装, 缓和), disaster, disastrous *, disappoint, disable *(使残废, 使失去能力), disability, discharge(卸下, 放出, 清偿, 履行, 解雇), disclose *, discount(折扣), discourage, discover, discovery, discrepancy *( 差异, 矛盾), disease(疾病, 弊病), disguise(假装, 伪装, 掩饰), disgust(厌恶, 嫌恶), dishonest, dismay *(沮丧, 惊慌), disorder, dispatch *(分派, 派遣), disperse *(分散, 疏散), displace *(转移, 取代), disregard *(漠视, 忽视), distort *( 扭曲, 歪曲, 误报), distract *(转移) in- (not, in, into)
inability(, 无力), incorrect, incapable, inhuman, injustice(不公平, 不讲道义), informal, inside, include, inclusive *, income, increase, increasingly, incredible, indefinite(模糊的, 不确定的), independence, independent, indifferent(无关紧要,漠不关心), indirect, indispensable（不可缺少的, 绝对必要的）, individual, indoor, inertia *（惯性, 惯量）, inevitable(不可避免的, 必然的), infamous (声名狼籍的)^, infinite(无穷的, 无限的, 无数的), inhabit *( 存在于, 占据, 栖息), inhabitant(居民, 居住者), inherent *(固有的, 与生俱来的), inject *(注射, 注入), injection, inland *(内陆的, 国内的), inlet *(进口, 入口, 水湾), inner, innocent(清白的, 无罪的, 天真的), innumerable *(无数的, 数不清的), input, inquire, inquiry, insane *(患精神病的, 精神病患者的), insert, inside, insight(洞察力, 见识), insist, inspect, inspiration *(灵感), inspire, install, installation, installment *(部分,分期付款), instance, instant, instinct（本能）, insulate *（使绝缘, 隔离）, intense（强烈的, 剧烈的, 热切的）, interior（内部的, 内的）, internal（内在的, 国内的）, into, intrinsic（固有的, 内在的, 本质的）, invade, invalid *（有病的, 无效的）, invaluable *（无价的, 价值无法衡量的）, invariably *（不变地, 总是）, invasion, invert *（使颠倒, 使转化）, investigate, invisible, involve, inward（向内的, 内在的） im- (not, in, into)
impossible, imbalance（不平衡, 不均衡）, immature, immoral（不道德的, 的, 放荡的）, impatient, implicit *（暗示的, 盲从的, 含蓄的）, impress, impression, import, immigrate（使移居入境）, imprison（监禁, 关押）, immerse（沉浸, 使陷入） emigrate il- (not)
illegal（违法的, 不合规定的）, illogical（不合逻辑的, 不合理的） ir- (not) irregular（不规则的, 无规律的）, irresponsible, irrespective *（不顾的, 无关的）
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