plough back;bungee-jumping是什么意思?guinness的音标?

plough back;bungee-jumping是什么意思?guinness的音标? bungee Bungee jumping Bungee jumping 和Skydiving Banzai Bungee是什么意思 small bungee的意思 small bungee是什么意思? bungee jumping是什么意思?急知 英语翻译Even the strongest people that try bungee jumping without any fear have trouble bouncing back when they face the things that scare them most.We have to admit that fearless is really difficult to achieve. 请问Plough into和plunge into的区别是什么啊, bungee jumping in Australia是什么意思如题 what's the answer for this math problemDamped Harmonic MotionA bungee jumper plummets from a high bridge to the river below and then bounces back over and over again. At time t seconds after her jump, her height H (in yards) above the river is given back back back back back back