1. Its body is loaded with various sensors, which gives it the capability to sense, so it`ll not topple over stuff, fall down the stairs and know to keep itself at least 1.5m away from the projection wall for best projection etc.
它的机身被装上了各种各样的传感器，这样使得它有检测的能力。所以它不会在物体上跌倒、从楼梯上滑下来，并且知道为了最好的投影效果至少要使自己和投影墙保持1.5米的距离等等。
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2. Governments will topple and the programmes underpinning international aid will fall apart.
政府将倒闭，支撑国际援助的项目将崩溃。
topple and fall
3. Why do chief executives fail, regimes topple and elected leaders fall out of favour?
为什么首席执行官会失败，政权会被推翻，民选领导人会失宠？