What skills are needed to operate this machinery?
操作这种机器需要什么技能？
Stronger legal safeguards are needed to protect the consumer.
需要有更有力的法律措施来保护消费者。
Such measures are needed to equalize wage rates between countries.
要使各国的工资水平均等，这些措施是必要的。
The police now recognize that big organizational changes are needed.
警方现在认识到需要大的结构方面的改变。
Many of the indigenous insects are needed to pollinate the local plants.
需要很多种土生昆虫给当地植物授粉。
这些步骤是必要的。
没有工具是必要的。
When close-ups are needed, the film focuses on the star.
当需要特写镜头时，电影就会聚焦在明星身上。
But when close-ups are needed, the film focuses on the star.
但是当需要特写镜头时，电影就会聚焦在明星身上。
2,500 gallons of water are needed to produce one pound of beef.
生产一磅牛肉需要2500加仑的水。
In modern society, the students who have creative thinking are needed most.
在现代社会中，最需要的是具有创造性思维的学生。
Why dose a whole field with chemicals if you can spray only where they are needed?
如果你可以只在需要的地方喷洒化学药品，为什么要在整个田地里喷洒呢？
Further studies are needed to prove the findings in other populations, settings and climates.
需要进一步的研究来证明在其他人群、环境和气候中的发现。
Technological improvements are needed so that wind, solar and hydrogen can be more feasible parts of the energy equation.
需要改进技术，提高风能、太阳能和氢能在能源等式中的可行性。
Tears can be obtained painlessly without invading the body and only tiny amounts are needed to perform highly refined analyses.
人们可以轻松地获取眼泪，不会对身体造成伤害，而且只需要微量的眼泪就可以进行高度精细的分析。
The machine was designed to be used in places like transport stations, airports and places of interest where quick and exact announcements are needed most.
这种机器被设计用于最需要快速且准确的公告的地方，如运输站、机场和名胜古迹。
Two A-level passes are needed for this course.
本课程要求有两个高级证书考试的及格成绩。
Fewer workers are needed to solder circuit boards.
焊接电路板需要较少的工人。
Drastic measures are needed to clean up the profession.
需要采取极端的措施来整顿这个行业。
Three hundred thousand tons of cereals are needed to replenish stocks.
需要30万吨谷物才能重新装满仓库。
Troops are needed to help get food into Kosovo where people are in desperate need.
需要军队协助将食物运进科索沃，那里的人们迫切需要食物。
Good studies are needed to lend credence to the notion that genuine progress can be made in this important field.
要有优秀的研究才能使人相信在这一重大领域能取得真正的进步。
我需要药物。
需要更多的研究。
Teachers are needed very much there.
那里非常需要教师。
You are important and you are needed.
你是如此重要，如此被需要。
A lot of skills are needed for the job.
这份工作需要很多技巧。
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