在: (located) at, (to be) in, to exist, in the middle of doing sth, (indicating an action in progress)...
加强: to reinforce, to strengthen, to increase...
掌管: in charge of, to control...
部件: part, component...
小区: neighborhood, district...
壮实: robust, sturdy...
妒忌: to be jealous of (sb's achievements etc), to be envious, envy...
热带: the tropics, tropical...
资讯: information...
各自: each, respective, apiece...