Astroballistics
天体弹道学
🗣️ 情景例句
I'm new here, can you help me find my way around?
我是新来的，你能带我转转吗？
Pleasure has a sting in its tail.
乐中必有苦。
He showed that the average individual's sleep cycle is punctuated with peculiar bursts of eye-movements,
他指出，平常人的睡眠周期中不时伴有一阵阵奇怪的眼球队活动，