您要查找的是不是：
- Marijuana is considered a gateway drug for cocaine. 大麻被认为容易导致可卡因上瘾
- One college athlete recently called beer a gateway drug for young people. 一名大学运动员最近把啤酒称作年轻人的诱导性毒品。
- And the -- the worst symptom on this disease is what my friend, Tom Coburn, calls earmarking as a gateway drug, because it's a gateway.It's a gateway to out-of-control spending and corruption. 而----这种病最坏的症状，正如我的朋友，汤姆.;科本所说，财政特别拨款是一种入门毒品，因为那是一扇门，一扇通向不受控制的花销和腐败的大门。
- A good education can be the gateway to success. 良好的教育是通往成功之路。
- The nurse diluted the drug with saline water. 护士用生理盐水把药加以稀释。
- The port of Dover is England's gateway to Europe. 多佛港是英国进入欧洲的大门。
- Don't stand there blocking the gateway! 别站在那儿挡着门口！
- Hard work is the gateway to success. 辛勤工作是通往成功之路。
- 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。
- His business was a cover for drug dealing. 他的商行是进行毒品交易的幌子。
- Use of this drug is now fairly generalized. 这种药现在用得相当普遍。
- 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。
- The new drug has performed well in tests. 那种新药试验效果不错。
- We stood by the gateway watch the sunset. 我们站在门口看日落。
- 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
- This new drug is not yet commercially available. 这种新药还没有投放市场。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- The drug has no undesirable side-effects. 这种药没有什么不良的副作用。
