Halley realised that Mercury was so far away that its parallax angle would be very difficult to determine.

哈雷意识到水星离地球如此之远，以至于很难确定它的视差角。

youdao

For example, if the hidden magic potion is too far away, perhaps you can alter its location coordinates so that it conveniently ends up on the ground right in front of you!

比如，如果某神秘的魔法药剂离你的角色太远，或许你改改它的位置坐标就可以让它老老实实的出现在你面前的地上。

youdao

By looking very far away, because the light takes so long on its journey to reach the Earth, astronomers are effectively able to look back in time to this early era.

由于观测距离很远，光线要花很长时间才能到达地球，天文学家才能在现代观察到遥远的过去的景象。

youdao

That Genie can let you watch already recorded episodes right away and pull from any broadcasts its finds may give it a leg up, but so far we haven't seen recommendation systems good enough to promote switching from one service to another.

ENGADGET: DirecTV HR34 DVR 'Genie' recommendations and autorecording get previewed ahead of fall launch