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1·School trips give children firsthand experience not available in the classroom.

学校组织的旅行可以给孩子们提供教室里学不到的亲身体验。《柯林斯英汉双解大词典》

2·Today's vessels can find their prey using satellites and sonar, which were not available 50 years ago.

今天的船只可以利用卫星和声纳来寻找猎物，而这在50年前是不可能的。

3·The director was not available for comment.

主管没有时间发表意见。《牛津词典》

4·They are not available without a prescription.

这些药没有处方不能出售。《牛津词典》

5·Mr. Leach is on holiday and was not available for comment.

利奇先生在休假，没空作评论。《柯林斯英汉双解大词典》

6·New industries demanded skilled labour not available locally.

新兴产业需要熟练技术工人，而当地没有。《柯林斯英汉双解大词典》

7·This treatment is not available in the vast majority of hospitals.

绝大部分医院都不提供这种治疗。《牛津词典》

8·I'm sorry, but he is not available at the moment, for the meeting hasn't ended.

很抱歉，他现在没空，因为会议还没结束。

9·It's a good idea to choose an alternative destination in case your first-choice tourist spot is not available.

如果你首选的旅游景点去不成的话，选择一个替代目的地是个好主意。

10·My husband was not available to look after our two sons, so I took 9-year-old Tony and 5-year-old Toby with me.

我丈夫无法照顾两个儿子，所以我带上了9岁的托尼和5岁的托比。