speculate

['spekjuleit]

vt.推测
vi.投机, 深思

例句与用法：

A device for converting electromagnetic radiation in the infra-red, visible and/or ultra-violet regions of the spectrum into an electric current.

一种把下述光谱范围内的电磁辐射转换成电流的装置：红外线、可见光和／或紫外线。

In the spectrum, distinct colours shade into each other.

在光谱中，截然不同的颜色相互融合起来。

Red and violet are at opposite ends of the spectrum.

红色和紫色位于光谱相对的两端。

There's a wide spectrum of opinions on this problem.

对这个问题的说法众说纷纭，莫衷一是。

词形变化：

动词过去式: speculated | 动词过去分词: speculated | 动词现在分词: speculating | 动词第三人称单数: speculates |

详细释义：

vi.

1. 思索; 沉思; 推测[(+on/upon/about)]

She speculated about her friend's motives.

她猜测她朋友的动机。

2. 投机; 做投机买卖[(+in)]

He speculated successfully in mining shares.

他做矿业股票投机获得成功。

vt.

推测, 推断[Y][+that]

He was speculating that this might be his last chance.

他推测这可能是他的最后一次机会了。