enlarge、amplify、expand、increase、magnify、multiply与augment这些动词均有“增加，增大”或“扩大”之意。
enlarge : 主要指面积或体积等的扩大。
- an enlarged spleen
肿大的脾脏 - They've enlarged the kitchen by building over part of the garden.
他们占用一部分花园扩建了厨房。
amplify : 在科技中常指声音的扩大或电磁波的增强。也指补充了细节、详述或扩大内容等。此词系正式用语。
- amplified music/guitar
经过扩音的音乐／带有扩音设备的电吉他 - A funeral can amplify the feelings of regret and loss for the relatives.
葬礼可以渲染生者痛失亲人的哀悼之情。
expand : 指范围、程度、体积和尺寸等方面的扩大或增加。
- The air in the balloon expands when heated.
气球里的空气加热后膨胀。 - They expanded their retail operations during the 1980s.
20世纪80年代他们扩大了零售业务。
increase : 指数量、强度和大小等方面的扩大或增加。
- Incidents of armed robbery have increased over the last few years.
持械抢劫案近几年增多了。 - The cost of the project has increased dramatically/significantly since it began.
该项目自开始以来成本就急剧上升。
magnify : 可指用光学仪器使物体看上去显得变大；也指事实上把某物增大，有时用于夸张意味。
- Although our skin looks smooth, when magnified it is full of bumps and holes.
我们的皮肤看上去很光滑，但放大后看却是坑坑洼洼的。 - The hot summer magnified the racial tensions in the community.
炎热的夏日加深了社区的种族矛盾。
multiply : 通常指自然繁殖而产生的增长，有时也指同类事物数量的成倍增加。
- In warm weather these germs multiply rapidly.
在温暖的天气里这些细菌会迅速繁殖。 - Our problems have multiplied since last year.
自去年以来，我们的问题成倍增加。
augment : 较正式用词，一般指在原有的基础上增加含量而扩大。
- He would have to find work to augment his income.
他可能不得不找活儿干来增加收入。 - The government's first concern was to augment the army and auxiliary forces.
政府关心的首要问题是扩充军队及辅助队伍。
