投石入静水中,看到微波荡漾成圈.Throw a stone into still water and watch the ripples spread in rings.它会以投石运动的反作用晃动起来.It lurches from a standstill in a reaction to the movement of the outgoing rock.投石机: 古代投掷物体之发射器,用作发射长箭或重型球状物.Ballista: ...
12岁时我开始迷上了带水肺潜水.I first got hooked on scuba diving when I was twelve.她在巴厘岛度蜜月时学会了带水肺潜水.While on honeymoon in Bali, she learned to scuba dive.参观者还可以租借水肺尝试到深海捕鱼.Visitors can also try their hand at deep - sea fishing, scuba...