Pacesetter
n. 定速度者, 榜样, 标兵, 模范
✅ 同义词
🗣️ 情景例句
There's a slight chance of some snow tomorrow.
明天也许会下点雪。
I get into bed at about 11:30 and go right off to sleep.
我大约在11:30上床并且睡觉。
and if a single curved glass would distort nature, how much more would a pair of them?
何况一片曲面镜就可歪曲自然，那么伽利略的两片曲面镜对自然的歪曲又该多大呢？