大约的英文：
approximately
about
Mould chilling power required (approx)
模具冷却功率(大约)
This round table weights about forty pounds.
这张圆桌大约重四十磅。
The history of firework can be dated back to over 2,000 years ago.
爆竹有大约2000多年的历史了。
Turn on the blender for about two minutes.
打开搅拌机开大约两分钟的时间。
It will cost in the region of $500.
它大约得花费五百美元。
Some 150 people turned up at her memorial service in Moscow.
大约150人参加了在莫斯科举行的她的追悼会。
Make a slit in the stem about half an inch long.
在树干上切一道大约半英寸长的口子。
"By the end of last term , we had learnt about seven hundred English words . "
到上学期末为止,我们已经学了大约七百个英语单词。
The tomato is one of nearly 4500 different plants that are genetically modified.
西红柿是大约4500个不同品种的转基因植物中的一例。
Some twenty-two years later President Polk reiterated and elaborated upon these principles.
大约二十二年之后，波尔克总统重申这些原则并且刻意阐释一番。
adv. 近似，大约
first approximation
第一次近似;第一近似值;初步近似;一次近似值;一级近似;首次近似
a crude sketch, method, approximation
粗略的草图、 方法、 估计
It's derivation involved no approximation.
这种近似方法的适用性将在后面再讨论。
The color of these curtains approximates that of the rug.
这些窗帘的颜色与地毯的颜色接近。
The times are approximate only.
这些只是大致的时间。
prep. 关于；大约；从事于；在…到处
adv. 附近
adj. 在附近的；即将...的
There was nobody about.
附近没有人。
Stereotypes about adultery are as common as research about it is flaky.
奇怪的是：这种陈词滥调和关于通奸的研究一样普遍。
She has a complex about rats.
她对老鼠有病态恐惧。
How about this stuff, sir?
先生，这块呢绒怎么样?
Press about [around] sb.
拥挤[密集]在某人周围