重点讲解：
1. depend on 取决(于)；有赖(于) ；
例句：Be aware that the length of time needed to complete the tests will depend on the size of your databases.
请注意，完成测试所需时间的长短取决于数据库的大小EQGg73p9tq-Vi。
2. at least （数量）至少，不少于；
例句：Research has proved that modest aerobic exercise at least 3 times a week improves the quality of sleep.
研究证实，每周至少进行三次适度有氧运动有利于良好的睡眠LeV=,o)kn=vHyP+u。
3. like to do sth. 喜欢做某事；
例句：None of the girls like to go out on a date with him because he is a cheap skate.
没有女孩喜欢跟他约会，因为他是个吝啬鬼x1BO8D+f*jaICVaRw6PV。
4. be good for 有利的；有益的；
例句：Cucumber is good for soothing tired eyes.
黄瓜有助于舒缓眼部疲劳[,[lFp[zT^&UmA!~u;NN。