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- First horizontal then vertical. 先横后直。
- Not round and on one side it will be elongated vertical and the other side horizontal then as you go more defocus it will snap to a perfect symmetrical circle. 如果在一面是垂直拉伸的，在另一面水平方向，如果你继续散焦，会变成对称的圆环。
- First color-image was preprocessed with grayscaling, smoothing and gray stretching and so on, then vertical edges detection and binarization were implemented on the image. 首先对图像进行灰度化、平滑去噪及灰度拉伸等预处理，然后对图像进行垂直边缘检测和二值化处理；
- In order to treat the flue gas from edge scarfer, the first horizontal Wet-ESP(WSDB)made in home is developed.In the article, the mechanism and key technique is studied and analyzed in detail. 针对火焰清理机烟气排放,研制出了首台国产卧式湿式电除尘器(WSDB),并对该类除尘器的除尘机理和关键技术进行了分析研究。
- Read the text first and then explain the new words. 先读课文，然后解释生词。
- Our first step must be a pay rise then we must improve conditions. 我们第一步是要求必须提高工资，然后是必须改善工作环境。
- At first he think to tell her, then he changed his mind. 他原来打算告诉她的，後来改变主意了。
- Leaving her first job was a watershed in her life. 辞去她的第一份工作是她生活中的一个转折点。
- The first bell began to ring, and then the others chimed in. 第一口钟开始敲响，接着其他的钟就应合起来了。
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉，以便保存肉汁。
- In the word "mother" the stress is on the first syllable. 在"mother"这一字里，重音在第一个音节上。,在＂mother＂这一字里，重音在第一个音节上。
- His illness was more serious than the doctor first thought. 他的病较医生原来以为的更严重。
- First of all she just smiled, then she started to laugh. 最初她只是微笑，後来才放声大笑。
- Passengers with cars must embark first. 带汽车的乘客必须先上船。
- Bob teed off on the new pitcher's first delivery. 鲍勃猛击那新投手所投的第一个球。
- Alarmed at the first sound, we hit the dirt. 第一声警报一响我们就迅速卧倒。
- She struck up the first carol on the grand piano. 她在那架大钢琴上演奏起第一支颂歌。
- He picked a winning number on the first draw. 他第一次便抽到一个中奖号码。
- Slop out the waste basins first when you get up. 起床的第一件事是把例盆倒了。
- The runner was retired put out at first base. 跑垒者于第一垒上被刺杀出局。
