现下的英文：
now; at present; nowadays

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

nowadays是什么意思：
n. 当今，现代
adv. 现今，时下

Nowadays it is not easy to earn a livelihood.
现今谋生不易。

The women of nowadays are independent.
现代女性很独立。

This is a hot sale item nowadays.
这个商品最近卖得可火了。

The style of cloth is in fashion nowadays.
现在这种布料正流行。

Malcolm is such a dick nowadays.
马尔科姆现在是这样一个自以为是的人。