也就是说只需少量的药物就可保持猪的健康。

This means that fewer medications are needed to keep pigs healthy.

youdao

用户即将可以通过声音实行控制，例如，你只需说“稍微暖和一点”，空调就会自动调节。

What controls remain for the users will be audio-based, so, for example, you'll just have to say "a bit warmer", and the air conditioning will adjust automatically.

youdao

在我们的社会，如果你说你只需要5个半小时的睡眠，人们就会认为你很有活力。

In our society, you're considered dynamic if you say you only need 5.5 hours' sleep.

youdao

For example, what if you could make a hepatitis vaccine that was good in one shot instead of three shots?

比方说,如果你研制的一种肝炎疫苗,只需接种一次,而不是三次会怎么样

耶鲁公开课 - 生物医学工程探索课程节选

The idea is you don't have to see much of a person to get an impression of what they are.

它的意义是说你只需看人一眼,就能对他们形成第一印象。

耶鲁公开课 - 心理学导论课程节选

Let's just notice that there's a difference between saying can't be seen through the eyes and can't be observed through one sense or the other.

我们只需注意到,说眼睛看不到,和不能通过感官感知到,这两者是有区别的。

耶鲁公开课 - 死亡课程节选