Speedup
n. 加速
✅ 同义词
🗣️ 情景例句
She has not indicated how she proposes to react.
她未表示打算做何回应。
I'd met Stone several times before.
以前我见过世通几次。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。