您要查找的是不是：
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- The nurse diluted the drug with saline water. 护士用生理盐水把药加以稀释。
- We are testing the efficacy of a new drug. 我们正在测试新药的功效。
- I am surprised to learn that he is taking drug. 听说他在吸毒，我很吃惊。
- They spend the winter(s) in a warmer climate. 他们在气候较暖的地方过冬。
- His business was a cover for drug dealing. 他的商行是进行毒品交易的幌子。
- 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。
- Use of this drug is now fairly generalized. 这种药现在用得相当普遍。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的爱好。
- He was convicted of drug offences and deported. 他被判犯有毒品罪而遭驱逐出境。
- She pioneered the use of the drug. 是她最先使用的这种药品。
- Answer the following question(s). 回答下列问题。
- The new drug has performed well in tests. 那种新药试验效果不错。
- Most plural nouns in English end in s'. 英语的复数名词多以s结尾。
- A drug, especially an illicit or addictive one. 麻醉剂尤指非法使用或使人上瘾的麻醉剂
- 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?
- This new drug is not yet commercially available. 这种新药还没有投放市场。
- The novel had an enormous vogue in the 1930's. 这本小说在三十年代曾广为流传。
