“grab onto”可以造什么句，grab onto造句

I once heard of a man who fell out of a plane but then managed to grab onto the undercarriage.

If these were proteins from the source of borna disease, then infected animals might have made antibodies precisely tailored to grab onto them.

I grab onto the slab with bloody hands and sway back and forth, trying to knock it loose.

See if we can grab onto something.