1. He is replacing the old lightbulbs with energy-efficient ones.
他正在用節(jié)能燈泡替換舊燈泡。
2. The company is considering replacing its outdated computer systems.
公司正在考慮更換陳舊的計算機(jī)系統(tǒng)。
3. She is replacing the injured team member in tomorrow's game.
她將在明天的比賽中代替受傷的隊員。