英语单词超好背 第0467期

quantitative

英 [ˈkwɒntɪtətɪv] 美 [ˈkwɑːntəteɪtɪv]

adj. 定量的；量的，数量的

例句：

There is no difference between the two in quantitative terms.
两者在数量上毫无差别。

It combines quantitative variables and qualitative variables.
它结合了定量变量和定性变量。

At the moment, I specialize in quantitative advertising research, which means that I do two types of projects.
目前我专攻定量广告研究，这意味着我会做两种类型的项目。

vault

英 [vɔːlt] 美 [vɔːlt]

n. 拱顶；撑竿跳；地下室；（银行的）保险库，金库

vi. 跳跃；成穹状弯曲

vt. 做成圆拱形；撑竿跳过

例句：

He could easily vault the wall.
他可以轻而易举地跃过这堵墙。

The walls of the vault were plated with steel.
保险库的墙壁都装了钢板。

He ordered that Matilda's body should be buried in the family vault.
他下命令说玛蒂尔达的尸体要埋葬在家族墓穴中。

fluctuate

英 [ˈflʌktʃueɪt] 美 [ˈflʌktʃueɪt]

vi. 波动；涨落；动摇

vt. 使波动；使动摇

例句：

Body temperature can fluctuate if you are ill.
如果你病了，体温会波动。

The analysis reveals that intensity appears to fluctuate with a clear, well-defined rhythm.
分析表明，强度似乎有一个明确的节奏波动。

Later on in the early years of the nineteenth century, when Fort Vancouver became the headquarters of the Hudson's Bay Company, deer populations continued to fluctuate.
后来，在19世纪初，当温哥华堡成为哈德逊湾公司的总部时，鹿的数量继续波动。

by

英 [baɪ] 美 [baɪ]

prep. 由，被；通过；相差……；到……之前；在……旁边

adv. 经过；（时间）过去；在旁边；短暂访问

n. （体育比赛）轮空晋级

adj. 旁边的，侧面的

例句：

They sleep by day and hunt by night.
他们白天睡觉，夜晚捕猎。

He was a loner by nature and by inclination.
他天性不喜交际，且自己也无意于此。

Nocturnal animals sleep by day and hunt by night.
夜间活动的动物白天睡觉晚上猎食。

convinced

英 [kənˈvɪnst] 美 [kənˈvɪnst]

adj. 确信的；深信的

v. 使确信（convince的过去分词）；说服

例句：

He convinced me he was right.
他使我相信他是正确的。

I am convinced of her innocence.
我坚信她是清白无辜的。

I'm convinced that she's innocent.
我坚信她是清白无辜的。

回顾

1. quantitative
2. vault
3. fluctuate
4. by
5. convinced