词汇讲解：
1. storage n. 贮存, 贮藏
例句：The fish should be kept in cold storage.
那些鱼应冷藏起来。
2. assessment n. 估价；评估,评定
例句：Diagnosis was deferred pending further assessment.
等候进一步的评估再诊断。
3. resume v. 重新开始; 恢复
例句：We'll stop now and resume at two o'clock.
我们现在停下来, 到两点再干。
4. worsen v. (使)变得更坏,(使)恶化
例句：I apprehend no worsening of the situation.
我不担心局势会恶化。
5. toxic adj. 有毒的；因中毒引起的
例句：When spilled into the sea, oil can be toxic to marine plants and anima
