查询词典 letter box

Sue:There are some letters in the letter box

苏：现在邮筒里有信了。

What're in the letter box?

信箱里面有什么？

I'm in the letter-box.

我在邮筒里面。

Every day you can find different kinds of ~s in your letter-box..

每天你都能在信箱里发现各种各样的传单。

I'd like to open a letter-box at your post office.

我想办个自取信箱，该怎么办？

With the help of the postman, Tom went out of the letter-box .

在邮递员的帮助下，汤姆从信箱里出来了。

He had found inthe letter-box a bill from the gas company, and he thought it more than

他觉得这一笔应该归他付账的煤气费该到此为止了。

The newspapers were so tightly jammed in the letter-box that he could hardly get them out.

信箱里的报纸塞得太多了，他几乎没法把它们拿出来。

The bell rang again,and the next moment she heard her letter-box being pushed open.

门铃又响了，接着她就听到自己的信箱被打开了。

She opened the letter-box and slipped a newspaper through.

她打开信箱把报纸塞了进去。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。