降落，着陆
1. 降落：目的建立降落(TOUCH DOWN)聚合酶链反应(PCR)方法, 快速检测家族性高胆固醇血症患者低密度脂蛋白受体(LDL-R)基因点突变. 方法设计 LDL-R基因21对引物,根据TOUCH DOWN 原理设计包括启动子和18个外显子特异性片段在内的PCR程序,
2. 落地：起飞 take off | 落地 touch down | 登记牌 boarding pass
3. 持球触地：touch 持球触人 | touch down 持球触地 | touchdown passing 向前传球越过对方球门线
4. 着陆,降落：Reconnaissance:侦察,踏勘 | Touch down:着陆,降落 | Smother:使熄灭,使窒息
1. 降落;着陆
When an aircraft touches down, it lands.
e.g. Spacecraft Columbia touched down yesterday...
“哥伦比亚”号宇宙飞船昨天着陆。
e.g. The first large contingent of troops touches down on American soil today.
第一批分遣大部队今天在美国着陆。
1. Wall Street futures also were down a touch, suggesting US markets would climb higher Wednesday.
2. Apollo 11 is scheduled to touch down on the Moon on Sunday 20 July if all goes well.
3. Heathrow said athletes from 50 nations will touch down in what is being described as Britain's biggest peacetime transport challenge.
4. Experts are also working to control any possible spread in areas where the birds are likely to touch down.
5. A third helicopter was unable to touch down because there were so many survivors at the landing area.
6. Jets from France and Australia were among the first to touch down at the island's airport.
7. touch down
7. But as soon as you touch down in Garut, you will know there is plenty to see.
8. He was about to touch down in a field when the animal wandered into his way.
9. Indonesians gathered around television sets across the country to watch the American president touch down.
10. The judge did not touch on any of the defense's closing submissions in handing down sentence.
touch down
verb
1. come or bring (a plane) to a landing
e.g. the plane touched down at noon