approximately
US /əˈprɑːk.sə.mət.li/
UK /əˈprɑːk.sə.mət.li/

1.
khoảng, xấp xỉ
used to show that something is almost, but not completely, accurate or exact; roughly
:
•
The journey will take approximately three hours.
Chuyến đi sẽ mất khoảng ba giờ.
•
There are approximately 20,000 people living in this town.
Có khoảng 20.000 người sống trong thị trấn này.