1
aggrade sth
用于主动语态，后接宾语，宾语通常为河道或河流地形。
The river aggrades its channel.
河流使自己的河道升高。
淤高；使（河床）淤高
aggraded — past of aggrade
先理解核心含义，再看它在真实句子里的用法。
淤高；使（河床）淤高
build up to a level by depositing sediment
The river aggrades its channel.
河流使自己的河道升高。
通过沉积物抬高河床
to raise the level of a river bed by the deposition of sediment
aggrade
Base
原形
aggrades
3rd person
第三人称单数
aggrading
-ing
现在分词
aggraded
Past
过去式
aggraded
Past participle
过去分词
The river aggrades its bed.
河流使河床升高。
Flooding aggrades the riverbed by depositing mud and sand.
洪水通过沉积泥浆和沙子使河床升高。
The stream aggraded its channel after heavy rain washed soil into it.
大雨将土壤冲入溪流后，溪流使河道淤高了。
We must avoid aggrading the river further by dumping construction waste.
我们必须避免通过倾倒建筑垃圾使河流进一步淤高。
用于主动语态，后接宾语，宾语通常为河道或河流地形。
The river aggrades its channel.
河流使自己的河道升高。
不及物用法，主语为河流地貌，表示自身因沉积而升高。
The floodplain aggrades slowly.
洪泛区缓慢升高。
被动结构，强调受事，常用by引出施动者。
The valley was aggraded by glacial outwash.
这个山谷被冰川冲积物淤高了。
Not this
The river aggrades every year.
Use this
The river aggrades its bed every year.
‘aggrade’是及物动词，后面需要跟宾语（如 riverbed），不能直接用作不及物动词。中文学习者受中文‘河床升高’表达影响，容易省略宾语。
Not this
The company tried to aggrade its reputation.
Use this
The company tried to aggrandize its reputation.
‘aggrade’和‘aggrandize’拼写相似但意义不同。‘aggrade’意为使河床升高，而‘aggrandize’意为扩大权力或声誉。中文学习者容易混淆这两个词。
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.