triangle n. a figure or shape with3 straight sides and3 corners三角(形) consist vi.( of) be made up ofE.组成 The textbook consists of ten units这本教科书由10个单元组成 assistance r,(U)finl. help or supporti帮助,援助 Unless we receive more financial assistance from the government, the school will have to close如果我们得不到政府更多的财政援助/这个学校就得停办 ensure ⅵt.1. make sure or certain确保 Come early to ensure getting a good seat些来,以确保有个好座位 The novel ensured his name as a great writer.这部小说使他获得了大作家的美誉。 2. make sure of getting; secure担保 A letter of introduction will ensure you an interview.一封介绍信可以使你得到面试的 机会 This medicine will ensure you a good night's sleep.这药可保你睡个好觉。triangle n. a figure or shape with 3 straight sides and 3 corners三角（形） consist vi. (of) be made up of由......组成 The textbook consists of ten units. 这本教科书由10个单元组成。 assistance n. (U) fml. help or support帮助，援助 Unless we receive more financial assistance from the government, the school will have to close.如果我们得不到政府更多的财政援助，这个学校就得停办。 ensure vt. 1. make sure or certain 确保 Come early to ensure getting a good seat. 早些来，以确保有个好座位。 The novel ensured his name as a great writer. 这部小说使他获得了大作家的美誉。 2. make sure of getting; secure 担保 A letter of introduction will ensure you an interview. 一封介绍信可以使你得到面试的 机会。 This medicine will ensure you a good night's sleep. 这药可保你睡个好觉