in a week的用法和样例:
例句
- How many days are there in a week? There are seven days in a week.
一星期有几天? 一星期有七天。 - You can't expect to learn a foreign language in a week.
不要指望一个星期就能学会一门外语。 - There are seven days in a week.
一周有七天。 - I sweated off ten pounds in a week by playing squash every day.
我每天打壁球,一个星期体重减轻了十磅。 - She washed her hair every night and measured how much it grew in a week.
她每晚洗头发,而且量量看一星期长多少。