Sy
abbr. 平方码（square yard）；石油天然气行业标准；叙利亚（Syria）；苏丹黄（Sudan yellow）
🗣️ 情景例句
Some people seem too think its for practicing grammar rules and learning lists of words.
一些人认为它是用来操练语法规则和学习一大堆单词。
Each man is the architect of his own fate.
命运掌握在自己手中。
Professor Ronald Bracewell, a leading American radio astronomer,argued in Nature that such a superior civilization, on a visit to our own solar system,
假如有如此高级文明生命访问了我们的太阳系，