Backbreakers
n. 艰苦的工作；工作勤奋的人
🗣️ 情景例句
Then, in college, I became good at it.
然后， 在大学， 我变得很精于数学。
Mock not a cobbler for his black thumbs.
不要嘲笑皮匠的黑拇指。
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。