要点的英文：
main point
essential

参考例句：

The essentials of grammar
语法要点

It's very important to get to the heart of the discussion.
抓住讨论的要点是非常重要的。

Would you like some dessert?
您要点甜品吗?

What will you like for dessert?
您要点什么甜食？

I 'd like some strawberry ice - cream.
我要点草莓冰淇淋

What point are you trying to get across?
你要叫人理解的要点是什么？

The abstract shall state briefly the main　technical　points of the invention or utility model.
摘要应当简要说明发明或者实用新型的技术要点。

The 12 animal fountainheads have become one of the key points when talking about lost relics from the Old Summer Palace.
谈及从圆明园丢失文物，十二生肖兽首已然成为要点之一。

adds Bush, who wants not only the sweetener, but also an improve-ment in waiter Chirac's attitude
布什接着说,他不仅想要点甜作料,也想让服务员希拉克的态度变好点儿

Keep to the point;keep to the essential
抓住要点

main是什么意思：
adj. 主要的；全力的，尽力的
n. 总管道，总线；干线，电力网，电源；体力

by (main) force
用蛮力, 全靠气力; 以最大的力气

main gate lodge
大闸区；大闸门房；大闸传达室

This is the main road into town.
这是进城的主要道路。

point是什么意思：
n. 点；标点；要点；尖端；得分
v. 削尖；指向；加标点于；表明

That is not the point in question.
那不是要考虑的要点。

orientation point
方位点

A score made on a try for a point or points after a touchdown.
触地得分在触地后再次发球所得的一分或几分

essential是什么意思：
a.
1.必要的，必不可少的
2.本质的，基本的
3.提炼的，精华的
n.
1.要素，要点
2.本质，实质

They are essentially in a triunity.
他们本质上是三位一体的。

Protein is essential to life.
蛋白质是生命必不可少的。

Coal is an essentially nonrenewable resource.
煤是不可再生资源。