Mahuang can be taken often, so athletes can also use it.
举一反三
- It is so expensive that I can’t _______ it.
- This map is so __________! I can’t understand it.
- As with any drug taken in excess, your body can build up a _______ to it.
- Individuals can also use the theory of competitive advantage to advance their careers. （ ）
- These tell the engineer to stop. We can also use flags__1__to communicate.