| EXAMPLE SENTENCES | ||
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科学早就通过测量、观察和实验告诉我们宇宙中有四种力：电磁力、强相互作用力、弱相互作用力和万有引力。 Science has shown us through measurement, observation and experimentation that there are four forces in the Universe: electromagnetism, strong interaction, weak interaction and gravitation. | ||
四种基本力(重力，电磁力，强作用力和弱作用力)都有一个理论把手，调节这东西可以改变力的强度。 Each of the four fundamental forces (gravity, electromagnetism, and the strong and weak nuclear forces) has a kind of theoretical knob that can be turned up or down to change its strength. | ||
重力是让它们连为一体的唯一作用力。 The only force holding them together is gravity. | ||
还有一个例子证明作用力,与负反作用力相等。 That's another example where you see action equals minus reaction. | ||
每一种作用力都有一种与之等量的反作用力。 Every kind of input strength has a reverse strength which is as big as it. | ||
水分子粘合在一起是因为水分子间有轻微的作用力。 Water molecules stick together, because they carry a slight charge on each end. | ||
这里的一个关键点是我们需要知道作用力。 One of the key points here is that we need to know the applied force. | ||
地应力是引起围岩变形和破坏的根本作用力。 The earth stress is an essential force causing rock deformation and breakage. | ||
他右眼视力极弱。 He has very little sight in his right eye. | ||
同轴电缆越长，信号强度越弱。 The longer the coaxial cable has to run, the weaker the signal. | ||
