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例句 The scientists said it was the specific chemical substance in our body that made us anxious. 科学家表示是人体内的某些特定化学物质让我们感到焦虑。
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同义 special, especial（a. 特别的）
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派生 specifically（ad. 特别地）
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spread［spred］v. 展开；蔓延；涂 n. 传播；幅度；整版文章
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例句 1. Since the Internet technology is spreading widely, it has become an important form of communication. 互联网技术的广泛传播使其迅速成为一种重要的交流方式。
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2. Rapid measures should be taken since the problem of pollution is spreading. 我们应立即采取措施，因为污染的问题正在蔓延。
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同义 unfold, extend（v. 展开）；distribute（v. 散布）
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sufficient［sə’fiʃnt］a. 足够的，充分的
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例句 1. I need to make sure I have sufficient details. 我需要确保我了解足够充分的细节。
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2. To ensure sufficient vitamin D production, you only need to be exposed to 10-20 minutes of sunlight a day. 要确保产生足够的维生素D，你每天只需10到20分钟的日晒。
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同义 adequate（a. 充足的）
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派生 sufficiently（ad. 充分地）
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suitable［‘su
:təbl］a. 适当的；相配的；合适的
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例句 1. In fact, the natural process of wood decomposition can enrich the soil, thus it will be more suitable for the growth of plants. 事实上，树木自然腐烂的过程会使土壤更肥沃，从而更适合植物生长。
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2. Although TV programs bring so much joy, some of them are not suitable for kids. 尽管电视节目给我们带来如此多的欢乐，但其中一些并不适合小孩子。
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support［sə’pɔ
:rt］n. 支持；支撑；支持者 v. 支持；支撑
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例句 1. The president gave his full support to the policy. 总统对这一政策给予全力支持。
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2. There are three reasons to support my view. 有三个原因支持我的观点。
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suppose［sə’pouz］v. 推测；假定；期望
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搭配 be supposed to… 应该；被期望
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例句 Suppose that if everyone can go to college, there would be a crowd on the campus, and the resources are not enough for the huge amount of students. 想象一下，如果人人都能上大学，那么校园里将会十分拥挤，而且资源也不够这么多的学生使用。
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同义 presume（v. 推测；假定）
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要点 表示“应该”的时候，除了常用的should，还可以用be supposed to这个短语，比如：It was supposed to be finished today.
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temporary［‘tempəreri］a. 暂时的，临时的；短暂的 n. 临时工
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搭配 temporary worker 临时工
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