Fractional precipitation
[化] 分步沉淀; 分段沉淀\\n[医] 分段沉淀
🧩 词语组成解析
fractional
['frækʃənl]
adj. [数]分数的，小数的;微小的，极小的;部分的，少量的;零碎的;
precipitation
[prɪ'sɪpə'teʃən]
n. 匆促;沉淀;（雨等）降落;某地区降雨等的量;
pre 前缀,表示….前的,预先#词根助记：pre+cipit头→ation→落在前头→降落,下降
🗣️ 情景例句
I'd really like to pick up Grandpa at the railroad station.
我真想去火车站接爷爷。
It is better to fight for good than to rail at the ill.
与其抱怨，不如积善。
but belongs to the air, travelling it may be six thousand miles to and from its northern nesting home, feeding its flown young as it flies,
在空中十分自如，可以飞行6，000英里，可以飞往北方做窝的老家，再从老家飞回；一边飞一边喂养会飞的雏燕，甚至在顶风时也能在气流中滑翔，似乎气流在帮它前进。