| 释义 |
🔑dotdot1 /dɑt / noun [countable] - a small, round mark点；小圆点◆The letters “i” and “j” have dots over them.字母 i 和 j 上面都有一点。 ➡ look at polka dot
- something that looks like a dot点状物◆The airplane was just a dot in the sky.那架飞机在天空中只是个小点。
 ●on the dot (informal) at exactly the right time or at exactly the time mentioned准时；不早不晚◆Classes start at 9 o'clock on the dot.9 点整开始上课。
dotdot2 /dɑt / verb [transitive] (dot·ting, dot·ted) to mark something with a dot在…上加点；以圆点标示◆Dot your i's and cross your t's.在 i 上加点，在 t 上画横（比喻做事要一丝不苟）。●be dotted withto have many things or people in or on it到处是；点缀着；散布◆a hillside dotted with sheep遍地绵羊的山坡 |