重点讲解：
1. be able to do sth. 可以…的，能够…的；
He may be able to leave hospital early next week.
他下周初也许就可以出院了XrIkYmGP&Fm95fd51w。
2. go out 外出交际；外出娱乐；
The children have stayed at home for a whole day, just let them go out for fun.
孩子门一天没出门了，让他们出去去玩一会吧=EzK)1cT*hTN=2。
3. even though 即使；尽管；纵然；
You can keep your word even though this may not always be easy to do.
你应该做到言出必行，尽管这很不容易做到fZxWvkiRtm*。
4. as well 也；还；
The sea water was as blue as the sky , and it was very clean as well.
海水的颜色是如同天一般的蓝色，也十分的透明r*+Y@xdtneF|3XQ。