今天的英文：
today
at the present
now

参考例句：

I burned midnight oil yesterday. So I feel down in the dumps today.
我昨天晚上熬夜了。今天我打不起精神。

Today is Monday.
今天星期一

Shrimps salad is being served today.
今天供应虾仁色拉。

Today's special is roast pork chop.
今天的特色菜是烤猪排。

Bye - bye! See you today week .
下星期今天见。

Chilly today, isn't it?
今天有些寒冷，是吗?

Today, the canopy of the heavens is grey.
今天的天幕是灰色的。

But today, all they did was to break through the cordon!
然而今天，只是冲过！

The wind is in(ie blowing from) the south today.
今天刮南风.

Today of all days our dedication to the Charter must be maintained.
今天，尤其是今天，我们必须保持我们对宪章的精诚。

today是什么意思：
adv. 在今天，在今日；现在，当代
n. 今天，今日；现在，当代

What a shame that it rained today.
今天下雨了，真可惜。

There is not much sun today.
今天阳光不多。

The case today is the delivery of a criminal.
今天的任务是引渡一名罪犯。

Today is yesterday's pupil.
今天是昨天的学生。

Today is yesterday's pupil.
今日要以昨日为师（前事不忘，后事之师）。

present是什么意思：
adj. 目前的，现在的；出席的，在场的；现在时态的
v. 赠送；提出；介绍；举枪瞄准；呈现
n. 礼物；现在

There is at present uncertainty regarding the hazard to health presented by crocidolite.
目前，青石棉对健康的危害尚不清楚。

Some diseases are presented by heredity.
有些疾病是由于遗传导致的。

should alternately present as undulate .
激情平淡应呈波浪形交替出现。

A verb form in the present tense.
现在时态的动词形式

give away; make a present of
赠送