1·The construction sites, the small-scale ponding and the drainage systems are the main breeding places.
建筑工地、小型积水和市政排水设施是广州市城区主要蚊虫孳生地。
2·The small-scale ponding is the most important for Ae. albopictus, while the construction sites and the drainage systems are the most important for Cx. pipiens quinquefasciatus.
小型积水是广州市白纹伊蚊重要孳生场所，致倦库蚊主要孳生场所是建筑工地、市政排水设施等。
3·If deeper courtyard li of ponding place, having rain to drip down, ripple that can rise and fall one open enclosing one circle.
院子里积水较深的地方，若是有雨滴 落下来，会荡漾开一圈一圈的涟漪。