1. magnify v. 放大，扩大

magnify the photo 放大照片

This lens can magnify 20 diameter.

这个透镜能放大20倍。

2. manifest v. 显示，表明

The illness manifests itself with a high fever.

此病症状为高烧。

His generosity manifests itself in times of difficulties.

他的慷慨在困境中表现了出来。

3.marginal a. 微小的

词义辨析：marginal, minor, negligible, minimal

marginal: 指处于边缘，幅度、范围小，故价值或重要性不大。

minor: 多指与别的比较后显得不重要，或指较少、较小。

negligible: 指数量小，不重要，微不足道或可忽略不计。

minimal: 指最少、最低或最小。

He owns a small, marginal business.

他经营一个收益不大的小生意。

4. masculine a. 男性的

He was handsome and strong, and very masculine.

他英俊强壮，富有男子汉气概。

5. mediate v. 调解

He mediated in a salary dispute between the union and the management.

他在工会和管理层之间就劳资争议进行调解。

He attempted to mediate their differences.

他试图调停他们的分歧。

6. merge v. 合并

The water and the sky merge into a pure whole.

水与天连成一线,不染纤尘。

All his efforts facilitated the company to merge its main rival.

他的努力使得该公司成功吞并了竞争对手。

7.migrate v. 迁徙; 移居

Birds migrate with seasons.

鸟儿随季节迁徙。

Some tribes migrate with their cattle in search of fresh grass.

有些部落为了寻找新鲜的牧草而带着他们的牲畜迁移。

8. mingle v 混合

You can not mingle oil and water .

你不能把油和水混合在一起。

She accepted the money with mingled feelings.

她悲喜交集地收下了这笔钱。

9. mobilize v. 动员

They are mobilizing their supporters to vote at the election.

他们正在组织其支持者向他们拉选票。

Our country's in great danger; we must mobilize the army.

我们正处于严重危险之中，我们必须把军人动员起来。

10. naive a. 天真的=innocent

This theory was intended to deceive naive people.

这一理论旨在欺骗天真群众。

The politician made a naive decision.

这个政治家做了一个幼稚的决定。