Amphibian（两栖动物）- Amphibians are animals that can live both on land and in water. They have a smooth, moist skin and lay their eggs in water. Examples of amphibians include frogs, toads, and salamanders.
Amphitheater（圆形露天剧场）- An amphitheater is an outdoor venue with a circular or oval shape that has seating surrounding a central stage or performance area. These venues were popular in ancient Greece and Rome for hosting events such as plays and gladiatorial contests, and can still be found today in many cities around the world.
Amphiphilic（亲水亲油）- Amphiphilic molecules are those that have both hydrophilic (water-loving) and hydrophobic (water-repelling) properties. This makes them useful in a variety of applications, such as emulsions, detergents, and liposomes.
Amphipod（两栖虾）- Amphipods are small crustaceans that live in both freshwater and marine environments. They have an elongated body with many pairs of legs and often range in color from transparent to bright colors like blue and red.
Amphora（古希腊罐）- An amphora is a type of ancient Greek vase that had a long neck and two handles. It was used for storing and transporting liquids such as wine and oil. Amphorae were also used as grave markers and decorative items.
