4周搞定2000+托福核心词
over = over(过度) = 超过负荷
over = over(过度) = 过了一晚→一夜之间
irrigation = ir(进入) + rig(雨，水) + ation(表名词) = 雨进入→灌溉
irrigate = ir(进入) + rig(雨，水) + ate(使) = 使进水→灌溉
irrigation = ir(进入) + rig(雨，水) + ation(表名词) = 雨进入→灌溉
irrigate = ir(进入) + rig(雨，水) + ate(使) = 使进水→灌溉
accommodation = ac(使) + com(一起) + mod(模式) + ation(表名词) = 在一起的模式→住处; 适应
adaptation = ad(一再) + apt(适应) + ation(表名词) =
过度进水→过度灌溉
overirrigation
常考释义
The final major human cause of desertification is soil salinization resulting from overirrigation.
造成土地沙漠化的最后一个主要人为因素在于人类过度灌溉导致土壤的盐碱化。
来源于：阅读OFFICIAL2 P1n. 过量灌溉
The role of overirrigation improving photosynthesis decline of flag leaf was mainly at the latter stage and had no role for yield increase.
过量灌水改善旗叶光合衰退的效果主要表现在后期，对产量提高的意义并不大。
The final major human cause of desertification is soil salinization resulting from overirrigation.
造成土地沙漠化的最后一个主要人为因素在于人类过度灌溉导致土壤的盐碱化。
来源于：阅读OFFICIAL2 P1Four specific activities have been identified as major contributors to the desertification processes: overcultivation, overgrazing, firewood gathering, and overirrigation.
导致沙漠化进程的主要因素有四个：过度种植，过度放牧，过分砍伐，过度灌溉。
来源于：阅读OFFICIAL2 P1[oʊvərɪrɪ'ɡeɪʃn]
基本释义 n. 过量灌溉
常考释义 n.过量灌溉
The role of overirrigation improving photosynthesis decline of flag leaf was mainly at the latter stage and had no role for yield increase.
过量灌水改善旗叶光合衰退的效果主要表现在后期，对产量提高的意义并不大。
irrigation n.灌溉
ir进入+rig雨+ation名词 =雨进入→灌溉
irrigate vt. 灌溉
ir进入+rig水+ate表动词 =使进水→灌溉
irritate vt. 刺激
ir进入+rit擦+ate动词 =进入磨擦→激怒
irrigation n. 灌溉
ir进入+rig雨+ation名词 =雨进入→灌溉
irrigate vt. 灌溉
ir进入+rig水+ate表动词 =使进水→灌溉
accommodation n. 住处
ac使+com一起+mod模式+ation表名词 =在一起的模式→住处; 适应
adaptation n.适应
ad一再+apt适应+ation名词
admiration n.钦佩；赞赏
ad一再+mir惊奇+ation表名词 =让人一再惊奇的东西→钦佩
till vi. 耕种
orientation n. 培训，训练
overgraze vt.在（土地）上过度放牧
over过度+graze放牧 = 过度放牧
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