1.engine n.發(fā)動機，引擎；工具

Daimler built the riding car to test the engine.
戴姆勒組裝騎式雙輪車是為了測試發(fā)動機。

Create a google custom search engine.
創(chuàng)建自己的谷歌搜索引擎。

2.orb n.球，天體，圓形物

They make the largest orb webs, which often exceed three feet ( 1 metre) in diameter.
他們織出的最大球體網(wǎng)，直徑往往超過3英尺（1米）。

The black, death star-like, orb is briefly engulfed in light from the sun, then flies off into space.
這顆像死星一樣的黑色天體在被太陽光完全吞沒之后，又迅速飛向太空。

3.visible a.看得見的；明顯的

They have shorter or longer wavelengths than visible light.
他們較可見光有或長或短的波長。

The partial eclipse was visible only from space.
這種月偏食只能從太空里才能看得見。

4.marvelous a.引起驚異的；不可思議的

Kanerva's memory algorithm could do several marvelous things that parallel what our own minds can do.
卡內(nèi)爾瓦的記憶算法能做一些可媲美于人類思維的不可思議的事情。

He was an outstanding chinese general as well as a marvelous writer.
他是一位杰出的中國將軍，也是一位了不起的作家。