The number of different living things in a given area at a given time.

判断生物多样性就是在限定地点、时间内能够发现的生物种类。

An engagement can be a single promise to be some place at a given time.

Engagement可以是特定时间到某个地方的简单承诺。

A sound's frequency is the number of waves that pass a certain point at a given time.

声音的频率是在给定时间通过某一点的波数。

Research has shown that the goals we are focusing on at a given time affect the way we think.

研究表明，我们在特定时间里关注的目标类型会影响我们的思考方式。

The length of time that the average person can expect to live in a given place at a given time.

一般人预期在给定时间在给定地点居住的时间长度。

Naturally, most of us want to know more about each other and what each other are doing at a given time.

自然地，我们中的大多数人都想更多地了解彼此以及在特定时间彼此在做什么。

To find out, they looked at RNA profiles – snapshots of which genes each plant tissue is actively using at a given time.

为了找出答案，他们查看了 RNA 图谱——每个植物组织在给定时间积极使用哪些基因的快照。

The diagnosis of bronchiolitis is largely a clinical diagnosis based on whether RSV is known to be circulating at a given time of the year, the child's age, and the presence of classic signs and symptoms.

细支气管炎的诊断主要是通过临床诊断，诊断依据包括RSV在一年中的流行时段，儿童的年龄与典型体征和症状。