[ rìchángyīxiàn ] daytime gradually lengthens after the winter solstice
Related Translations:
一线: a thread; a ray of; a gleam of 短语和例子云朵中的一线青天 a break in the clouds; 一线微弱的希望 a faint gleam of hope; 一线光明 a ray of light; 透过帘子的一线微光 a glimmer of light through the curtains