He began his diet a week ago.
他是一星期前开始节食的。
新概念英语第二册 Lesson 51 Reward for virtue

📚 句中词汇解析

从本句中提取的重要词汇

diet ['daɪət] 词频2 词根: /də/
n. 日常饮食;规定饮食; vt.& vi. （使）节制饮食; vi. 节食;进规定饮食;
💡 die(死)+t(她):已死的她是因为- 节食
"Their illnesses are attributable to a poor diet."
他们的病可能是不良饮食所致。
近义：nurture, nurturing, nutrition, alimentation, feeding, regimen
began [[bi'gæn]] 词频1
begin的过去式
week [wik] 词频1
n. 一星期，周;工作周（一个星期中的工作时间）;
"We shall drive over to see you next week."
我们下星期开车来看你.

📚 更多「新概念英语第二册」例句

The Greenwood Boys will be staying for five days.
“绿林少年”准备在此逗留5天。
'It may have begun already,' Susan answered.
“也许已经开演了呢，”苏珊回答说。
Shortly afterwards, the police stopped the car and both men were arrested.
没过多久，警察就截住了那辆车，两个小偷都被抓住了。
Byrd at once ordered his men to throw out two heavy food sacks.
伯德马上命令他的助手们把两个沉重的食物袋扔掉，
The seed was sprayed over the ground in huge quantities by aeroplanes.
飞机把这种草籽大量地撒播在地上。
Apparently sensitive to criticism, the bull forgot all about the matador and charged at the drunk.
对挑衅显然非常敏感的公牛完全撇开斗牛士，直奔醉汉而来。