2. Small heating area and quick heating. 加热面积小，加热速度快。
3. The quick brown fox jumps over a lazy dog. 伶俐的棕色狐狸跳过一只懒惰的狗。
英英解释
n.
1. any area of the body that is highly sensitive to pain (as the flesh underneath the skin or a fingern
2. accomplished rapidly and without delay
3. hurried and brief
4. moving quickly and lightly
5. apprehending and responding with speed and sensitivity
6. performed with little or no delay
7. easily aroused or excited adv.
1. with little or no delay
