大家在查： saidthat 示威游行活动圣良吉阿•乌• tianyang 2010年11月18号商泰勒汤加塔布岛其实护照 KNO3

即引力

即引力

即引力

即引力

1

phenomena in the universe are ruled by two long - range forces , gravity and electromagnetism.

宇宙界的各种现象由两种长程力，即引力和电磁力所支配。

2

These merger events produce ripples in time and space (gravitational waves) that could be detected by instruments from as early as 2015 .

黑洞的合并使时空产生涟漪（即引力波），这些引力波最早也要到 2015年才可以被科学仪器探测到。

3

though it stubbornly refuses to accommodate a fourth force , gravity ,

尽管它不能描述第四种力量，即引力

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