正文

VOA慢速英语:California Storm Brings Down Giant Sequoia Tree

2017-01-11来源:VOA

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词汇讲解：

1. weaken vt. 衰减; （使）削弱
例句：The recession has weakened so many firms that many can no longer survive
经济衰退使许多公司实力大损，不少难以为继。

2. sequoia n. 红杉
例句：This is a giant sequoia.
这是一棵巨大的红杉。

3. retire vi. 退休; 撤退; 后退
例句：At the age when most people retire, he is ready to face a new career
在大多数人都退休的年龄，他却准备好面对新的职业。

4. diameter n.直径，直径长; 放大率
例句：This hole was a scant. 23 inches in diameter
这个洞眼的直径只有0.23英寸。

5. explain vt.讲解，解释
例句：He made up a story to explain why he was absent.
他编造了一个故事为他的缺席辩解。