查询词典 eg.

trichromatic coefficient：三色系数

首先先来看看三色系数 (trichromatic coefficient) 之定义,三色系数可以用来表示 R.G.B 三种颜色的光量在某点素之颜色中所占的比例. 而三色系数 ER、EG���EB 的总和应为 1 .

turn one's back on / upon：背弃..,抛弃

11.Don't turn your back on us.别抛弃我们 | turn one's back on / upon=背弃..,抛弃.. | eg.One should never turn his back on his home country. 一个人永远也不能背弃自己的祖国

eg. The food was greasily unappetizing：这种食物太油腻了,不好吃

unappetizing adj.引不起食欲的,倒胃口的 | eg. The food was greasily unappetizing. 这种食物太油腻了,不好吃. | body functions 上洗手间

unworthy of; unbefitting：不值得;有损于

lower than, as in rank or station 低于..., 如在等级或地位上低于 | 3. unworthy of; unbefitting 不值得;有损于 | eg. The earth lay beneath a blanket of snow. 大地被厚厚的白雪覆盖.

this is a thing unheard of：这真是前所未闻的事儿

eg.the exotic program poison our brain. 外来的节目毒害着我们的头脑. | 5.this is a thing unheard of.这真是前所未闻的事儿. | 6.I'd never hear the end of it.这真是没完没了了.

eg: Such cold weather is quite unusual：这样冷的天气是很少见的

unusual adj. 不寻常的,独特的 | eg: Such cold weather is quite unusual.这样冷的天气是很少见的. | usual adj. 通常的,平常的,惯常的

V-neck：型领

eg: a shirt with black and white stripes 黑白条纹的衬衫 | V型领: v-neck | 小圆点:dot

He tried to put me off with vague promises：他企图以含混的许诺来敷衍我

eg: put off going to see a dentist 延期去看牙医 | He tried to put me off with vague promises. 他企图以含混的许诺来敷衍我. | You must put off your doubts and fears. 你必须消除疑惧.

warn sb of sth：警告某人某事

117.suspect sb of doing sth 怀疑某人做某事 | 118.warn sb of sth 警告某人某事 | eg.I have warned him of the danger many times, but he won't listen to me./我警告过他很多次,但是他就是不听我的.

wasn't：是was not的缩写形式

No, I wasn't. I was at the greengrocer's. 不是的,我刚才在蔬菜水果店. | (1)wasn't是was not的缩写形式. | eg. at the butcher's (shop) 在肉店

two-cycle coast：双循环海岸

双形珊瑚 Diphyphyllum | 双循环海岸 two-cycle coast | 双循环河谷 two-cycle valley

straight ticket：同一选票

straight shooter 坦白正直的人 | straight ticket 同一选票 | straight time 正规工作时间