As we have noted above, though, large rocks make fast interplanetary voyages very infrequently.
As we have noted above, though, large rocks make fast interplanetary voyages very infrequently.
不过，前面曾经提及，在行星之间快速飞行的大石块相当罕见。
As we have noted above, though, large rocks make fast interplanetary voyages very infrequently.
不过，前面曾经提及，在行星之间快速飞行的大石块相当罕见。