Interpretation:

1. polymerization.

2. Close.

3. touch, drive, and take advantage.

Make sentences:

To attend the symposium, you should prepare your speech in advance, and you can't just make do with a few words.

The lamp post of this desk lamp is made up of seven colorful glass bricks connected together, and the lampshade made of delicate yarn is like a big umbrella, covering the whole light bulb.

Put the longan close to your mouth, pinch the epidermis with your hand, and the longan will slip into your mouth with a splash. With a gentle bite, your mouth will be filled with fresh juice, which is sweet, delicate and refreshing.

One person thinks a little, two people add a little, and three people make it all.

In summer, the flowers in the lawn are in full bloom, and even bees and butterflies come to join in the fun. There are also some little pigeons walking on the lawn.