| 1. | By isolated we mean that no matter is allowed to cross the boundary of the system .
所谓“孤立”系统，指的是不允许任何物质通过其边界的系统。 |
| 2. | Cross the boundary conditions : all the crocodile eggs are hatched come
过关条件:所有的鳄鱼蛋都孵出来了 |
| 3. | He said passengers should avoid , as far as possible , crossing the boundary during these busy times
他呼吁旅客在可能情况下，应避免在该段繁忙时间过境。 |
| 4. | What will happen when you cross the boundaries that have been ingrained into your thinking
而当你勇敢地跨过固守在你思想中的那个边界时，又会发生些什么呢？ |
| 5. | Beasts that howl under the full moon and kill those that cross the boundaries of their territory
在满月之下嚎叫的野兽，会杀死每一个胆敢进入他们领土的家伙。 |
| 6. | A newspaper must also know when to draw the line , when they have crossed the boundary of invading somebody ’ s private life
报纸必须懂得适可而止，不能越界侵犯他人的私生活。 |
| 7. | Passengers who are not crossing the boundary to shenzhen or who do not possess a valid frontier closed area permit should alight at sheung shui
（乘客如非过境往深圳，或未持有效边境禁区证，均须于上水下车。 |
| 8. | " when their applications are approved , the quota holders of the existing crossings can use the shenzhen bay port to cross the boundary after its commissioning
当申请获批准后，现有口岸私家车配额持有人可于深圳湾口岸用后使用该口岸过境。 |
