Y

名词 y:

1. a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
   同义词：yttrium, atomic number 39
2. the 25th letter of the Roman alphabet
   同义词：letter y, wye

1. The motion (ie for debate) was proposed by Mr X and seconded by Mrs Y.
   那动议经X先生提出有Y夫人附议。
2. Multiply y by infinity.
   以无穷数乘y。
3. The vowels in the English alphabet are a, e, i, o, u, and, sometimes, y.
   英语的元音字母有a，e，i，o，u，有时也包括y。