Words about words

You tow something when you pull it behind you. When people talk about towing, they usually mean something attached behind a vehicle like a car. When people go camping, they often tow a caravan or trailer.

Toxic is another word for poisonous. If something is toxic, it is hazardous to your health or to the environment.

Something is transparent if you can see through it. Glass in windows is transparent. The lenses of sunglasses are transparent.
If you can see through something but it changes the color of everything you see, that something is still transparent but it is tinted. Filter lenses for cameras are often tinted.
The glasswing butterfly in the picture has transparent wings.
The opposite of transparent is opaque. Something that lets light through but you can't easily see through it is translucent.

You travel when you move from one place to another. You can travel in any way, by walking, riding a bike or by driving a car like you see in the picture.

To trek is to travel somewhere, but slowly and with difficulty. The man in the picture is trekking through some mountains.

To tidy up or remove the excess from something, particularly around the edges, for example trimming a hedge.

A trot is a gait of a horse where its legs move in opposite pairs. A trot is faster than a walk but slower than a canter or gallop. Other animals and people that run in a similar way to the way a horse trots are also said to be trotting.

Tucked is the past tense of tuck. The sheets on the bed in the picture are tucked in, and have all the loose ends nicely hidden away.

Turkish describes anything relating to the country of Turkey, or the language spoken in Turkey.

Turned is the past tense of turn.