正在与我的数学老师谈话的那个人是我爸爸。

Only when you take care of yourself can you help others better.

You should take this medicine three times a day.

无论你做什么，都不要失去勇气。

If you have a map, you won’t get scared when you get lost.

There is no way we can get to the airport in an hour.

当我疲惫或沮丧时，我更喜欢看能让我振奋起来的电影。

当茶叶可采摘时，它们被手工采摘后再送去加工。

The police are trying their best to find out the truth of the accident.

It is a big challenge to do so, but many visitors want to give it a try.

When a modern city meets its old past, not only can the tourism be developed better, but the local culture and history can be known by more people.

无论我们身处何处，都必须了解全球变暖的严峻性并采取行动应对。

不管发生什么，她对待工作的态度都非常积极。

三江源国家级自然保护区成立于2000年，是中国海拔最高的自然保护区，也是中国第二大自然保护区。

It is a big challenge to do so, but many visitors want to give it a try.