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- S tube valves are cast into shape with austenitic manganese steel, the quick wearing surface is welded with wear-resistant material, has the dual advantages of anti-high pressure and anti-wearing. 管阀采用高锰钢整体铸造成型，易磨损面采用搞磨材料堆焊，具有耐高压与耐磨损双重优点；
- This crafty man is nothing but a crook. 那个狡猾的人纯粹是个骗子。
- That used-car salesman is a real crook. 那个卖旧汽车的商人是个地地道道的骗子。
- Don't get mixed up with him -- he's a crook! 别跟他厮混--他是个无赖！
- I'll finish this work by hook or by crook. 我要用一切方法来完成这一工作。
- He carried the package in the crook of his arm. 他臂弯里挎着一个包裹。
- I'll get the work finished this week by hook or by crook. 我会想方设法在本周完成这项工作。
- They spend the winter(s) in a warmer climate. 他们在气候较暖的地方过冬。
- Most plural nouns in English end in "s". 英语的复数名词多以“s”结尾。
- The sweater had shrunk after repeated washing(s). 这件套头毛衣洗过多次已缩水了。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的爱好。
- She carried the parcel in the crook of her arm. 她把包裹挎在臂弯处。
- Answer the following question(s). 回答下列问题。
- Most plural nouns in English end in s'. 英语的复数名词多以s结尾。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- Here are the designs. Which one(s) do you prefer? 这就是那些图样.;你喜欢哪一个[些]?
- Which journal(s) do you subscribe to? 你订阅哪一种杂志?
- The novel had an enormous vogue in the 1930's. 这本小说在三十年代曾广为流传。
- He earned four A's in the final examinations. 他期末考试四门功课得优。
- The Beatles were the pop idols of the 60's. 披头士乐队是六十年代人们崇拜的偶像。
