Boomerang Nebula - the coolest place in the Universe?宇宙中最冷的地方?Next, I will talk about how the returning boomerang was developed.接下来, 我会谈到返回式回飞棒是怎么产生的.There's some speculation that the CLS's boomerang - shaped l...
They hunt game with spears or a curved wooden boomerang.他们用长矛或木制曲形飞镖猎取野味.Boomerang Nebula - the coolest place in the Universe?宇宙中最冷的地方?Next, I will talk about how the returning boomerang was developed.接下来, 我会谈到返回式回飞棒是怎么产...