integral
adj
1 ~ (to sth) necessary for completeness 构成整体所必需的
The arms and legs are integral parts of the human body; they are integral to the human body. 手臂和腿是人体的组成部分, 是构成完整的人体必不可少的.
2 [usu attrib 通常作定语]
having or containing all parts that are necessary for completeness; whole 具备构成整体所必需的所有部分的; 完整的
an integral design 完整的设计.
3 [usu attrib 通常作定语]
included as part of the whole, rather than supplied from outside 作为整体的一部分的(并非来自外部的)
a machine with an integral power source 有内置电源的机器.
4 (mathematics 数) of or being an integer; made up of integers 整数的; 由整数组成的; 积分的.
New Zealand is an impotant agricultural country with a small population. In size it is bigger than Guangdong Province, yet has a much smaller population.
新西兰是一个人口很少的重要的农业国。新西兰的面积比广东省大,但人口却少得多。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.