慢速英语:To Fight Malaria, Bed Nets Are the Most Important Weapon

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1. resistant adj.有抵抗力的，抵抗的; 顽固的
例句：He remained mutely resistant.
他默不作声，一动一动。

2. release vt.释放; 发布; 发行; 放开
例句：He was released from custody the next day
第二天他被从拘留所里放了出来。

3. penetrate vt.渗入; 穿透，刺入; 秘密潜入
例句：He strained his eyes to penetrate beyond the thick cloud of dust.
他竭力想透过尘埃看清那边的东西。

4. prevent vt.预防; 阻止
例句：These methods prevent pregnancy
这些方法能防止怀孕。

5. availability n.有效; 有益; 可利用性
例句：The nature and availability of material evidence was not to be discussed
实质性证据的性质和可用性毋庸讨论。