很清楚的英文：
it be understood that ;it can be understood that ;it may be understood that ;it must be understood that ;it should be understood that ;it will be understood that ;it would be understood that

参考例句：

an articulate essay.
清楚有力的论文

To write or transcribe in a large,clear hand.
用清楚的大字体书写

Get across
解释清楚,使人了解

It's quite clear that the electric car is technically feasible.
很清楚，电动汽车在工艺技术上是可行的。

You must copy it fair.
你一定要把它抄写清楚。

The mechanism of this anomalous vascular response is unknown.
此种不规则的血管反应的机制尚不清楚。

A vivid description,recollection,dream
生动的描述、清晰的回忆、清楚的梦

It is clear that obesity is a fantastically complicated condition.
十分清楚的是，肥胖是一种极为复杂的病症。

Four eyes see moor Ethan two. ——Muller
两双眼比一双眼看得清楚。——米勒

He was clear and distinct in every corroborative circumstance
他对于每一点有关的情节都讲得很清楚，很明了。

understood是什么意思：
v. [understand]的过去式和过去分词

Easily seen or understood; obvious.
显然的，明白的容易被看到或理解的；明显的

The pathogenesis of bluetongue is inadequately understood
人们对蓝舌病的发病机制还不完全了解。

The pathogenesis of bluetongue is inadequately understood.
人们对蓝舌病的发病机制还不完全了解。

can是什么意思：
v. 能够，可以（情态动词）
n. 罐头；容器
v. 把（食品等）装罐保存

Canning Canning Beef can be satisfactorily preserved by canning if the proper procedures are used.
装罐如果装罐步骤正确,牛肉可很好地保存起来。

Dark thoughts can be softened when they can not be brightened.
阴郁的思绪在无法变得快活的时候可以获得安抚。

He that can have patience can have what he will.
唯坚忍者始能遂其意志。

may是什么意思：
modal v. 也许，可能；可以；会；能够；但愿
n. 山楂属植物；（May）五月

international mai
国际邮政

There may be an announcement about this tomorrow or not,as the case may be.
这件事明天可能有个声明，也可能没有，那要看情况了。

On May Day a pretty girl is chosen the May Queen.
在五月节那一天一位漂亮的少女会被选为五月皇后。