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

Topsail is a famous little boat.
“涛波赛”号是艘有名的小艇，
' But they don't realize one important thing.
”然而他们没有认识到重要的一点，
One afternoon she set out from the coast in a small boat and was caught in a storm.
一天下午，她乘小船从海岸出发，遇上了风暴。
I rang the bell and was not surprised to see that Hugh was still as fat as ever.
我按响了门铃，当看到休仍和往常一样胖时，我并不感到惊奇。
The leader of the party was examining the soil near the entrance to the cave when the machine showed that there was gold under the ground.
当这个队的队长正在检查洞口附近的土壤时，那台机器显示出它的下面埋有金子。
It has four Rolls-Royce Merlin engines, but the group will need to have only three of them rebuilt.
该飞机装装配有4台罗尔斯-罗伊斯的默林发动机，但是他们只需要修复其中的3台。