The cockatoos aren't hurt, because the predators are tethered to the building, but their presence on the buildingACTS as a deterrent.
鹦鹉不会受伤,因为捕猎者被栓在了建筑物上,不过它们在建筑物上出现能起到一种震慑作用。
2
Aside from their aesthetic advantages, a vertical garden ACTS like a green roof to regulate temperatures inside the building, keeping it warm in winter and cool in summer.
这座垂直花园不仅美观,而且能调节建筑内部的温度,是室内冬暖夏凉。
3
A WLAN communication system ACTS as an alternative to wired LAN and is generally used within a building.