The phrase "appear to expand" is correct and usable in written English.
It can be used when describing something that seems to increase in size, scope, or influence, often in a metaphorical sense.
Example: "As the project gained more support, its goals began to appear to expand beyond the initial vision."
Alternatives: "seem to grow" or "look like they are increasing".
Overwhelmingly Shiite, it consists mainly of cheap, poor-quality houses, street markets, shops, mosques and government buildings, and it has filthy, slumlike outlying areas that appear to expand annually in a haphazard manner.
Nevertheless, we consider that both nummular headache and large arachnoid cysts were likely related, rather than being a chance association: in the first place, while the majority of small arachnoid cysts remain unchanged, a group of large cysts appear to expand with time [5].
Some disordered regions appear to expand from one clade to another.
We visually observe that the colonies without proliferation do not appear to expand as fast as the colonies with proliferation.
Although HIV-1 transfer from infected T cells to MDMs does not appear to expand the tropism of NM-tropic HIV-1, it may influence infection efficiency of viruses weakly tropic for MDMs.
You will go to the side of the image and use the arrow that will appear to expand it until it fits like you want it to.
And this modular notion of brain function appears to expand beyond the domain of language recall.
A recent Supreme Court precedent appears to expand the definition of aiding and abetting to include assistance after the crime has been committed.
It appears to expand faster than the individual atoms of gas in it are moving; the ionized shell is "eating into" the neutral material as the density falls.
Secretary of State Hillary Rodham Clinton appeared to expand the denial beyond Wednesday's killing, "categorically" denying "any United States involvement in any kind of act of violence inside Iran".
The 37-story building has been nicknamed the "Walkie Talkie" after its distinctive shape, which appears to expand outward at the top.
