1. dockyard: a place where ships are built and repaired
2. ammeter: An ammeter measures electrical current.
(a meter that measures the flow of electrical current in amperes)
3. amplifier: The megaphone contains an amplifier to make sounds louder.
(an electrical device that makes sounds signals louder)
4.crane: The crane is lifting the girders to construct the building.
(a tall machine with a long arm, used to lift and move building materials and other heavy objects)
5.miser: A true miser would even sleep holding his money tightly!
(a person who loves money and hates spending it)
6.dynamite: Watch out! The dynamite is going to blow up!
(a powerful explosive that is often used in the form of a stick)
7.siren: The sound fo the siren from the ambulance is actually by a dog.
(a device that makes a long loud sound as a signal or warning)
8.urine: The doctor is doing a urine test.
（尿）
9.flutist: She realized her dream to be a concert flutist and play beautiful music all over the world.
(a person who plays a flute（笛）)