The phrase "are constantly expanding" is correct and usable in written English.
It can be used to describe something that is continuously growing or increasing over time.
Example: "The universe and its galaxies are constantly expanding, leading to new discoveries in astrophysics."
Alternatives: "are continually growing" or "are ever-increasing."
Nor do ordinary Thais seem much concerned, despite the best efforts of the Democrats to stir up their indignation.Furthermore, Shin Corporation's business interests are constantly expanding.
The building has more than 200 tenants who are constantly expanding, shrinking, coming and going, which makes for a lot of work, Mr. Crawford said.
If you're interested in pursuing computer science, remember that it's a relatively new field with so many subfields that are constantly expanding.
The question of life on Mars has been in focus of astrobiological research for several decades, and recent missions in orbit or on the surface of the planet are constantly expanding our knowledge on Martian geochemistry.
As the market matures, free-to-play titles will need to increase in quality, as players get more picky about the games that they play, and this is why we are constantly expanding the team and investing our revenues back into the game".
"It's hard to say what the exact applications will be," says Ishwar, when asked where the technology will eventually take hold, but new sensors like the Leap Motion Controller — which plugs into a computer's U.S.B. port and tracks hand and finger movements in eight cubic feet of interactive space — are constantly expanding the possibilities.
Individual rights are constantly expanded, but responsibilities are shirked and scorned". Opponents, though, suggested that the amendment was the first step on a slippery slope.
This result suggests that gene families involved in signaling and to a lesser degree transport are constantly expanded in a lineage-specific manner, and more generally indicates consistent innovation in interaction with the environment.
