推 leefengyuh:LOOK FORWARD TO VING 04/14 11:48
→ kobe80914:樓上講的是片語... 原po的問題 我也想知道 04/14 13:21
One of the biggest technical challenges to getting a satellite into orbit - or a long-range missile to its target - is "getting the staging right, so that the separation and ignition occurs at the right time and in such a way that it doesn't change the rocket's trajectory," says Greg Thielmann, a senior fellow at the Washington, D.C.-based Arms Control Association.
第一行的to getting，
為什麼不可以寫 to get 呢？
謝謝。
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