The workers were busy replacing the old railroad ties with new ones.

The workers were busy replacing the old railway ties with new ones.

Ti plasmids are commonly found in Agrobacterium species.

I always keep a bag of twist ties in my kitchen drawer.

He ties up his shoelaces before going for a run.

The ti-trees in the garden are blooming beautifully.

I love the scent of ti-tree oil.

She tongue-ties when speaking in public.

He ties out the boat before leaving the dock.

I tied out the dog in the backyard.