Sdg
abbr. siding （铁路）侧轨，岔轨
🗣️ 情景例句
The whole Stewart family is close. Stewart
全家人相处得很好。
His ear is wounded, Does it hurt?
他的耳朵受伤了，疼不疼？
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。