伊万斯得了风湿热，没去上课，功课也落下了。Evans had rheumatic fever, missed school and fell behind.在他求救的同时我能听到拳头落下的声音。I could hear the blows landing as he appealed for help.地上满是他刻木雕时落下的碎屑。The floor was covered with shavings from his wood car...
Old buses are major contributors to pollution in British cities.破旧的公交车是造成英国城市污染的主要因素。Older people are important contributors to the economy.老一辈人为发展经济作出了重要贡献。The core of regular contributors is essential to the magazine.有...