了解英语怎么说
- One evening, while discussing these risks at a local pub, we came up with a solution to our problems.
- Geneticists in Canada have discovered a clue to the puzzle of why our cells get old and die.
- You should always tell the person that she is on speakerphone because she needs to know who her audience is.
- Researchers have also come to understand the structure of habits—cue, routine, reward.