第43章

His elder brother is a doctor.
他的哥哥是一名医生
He was elected president last year
去年他被选为总统
The house is heated by electric power.
这座房子由电力加热
He is an electrical engineer.
他是一名电气工程师
Electricity is a major source of energy.
电力是能源的主要来源
The electron is a subatomic particle.
电子是一种亚原子粒子
She wore an elegant dress to the party
她穿着一件优雅的连衣裙参加派对
Water is composed of the elements hydrogen and oxygen.
水是由氢元素和氧元素组成的
Elementary school is the first stage of education
小学是教育的第一阶段
The elephant is the largest land animal.
大象是陆地上最大的动物