“旋臂”概念、定义、翻译-科学时代

单词	旋臂
释义	地球科学词汇手册 spiral arm 旋臂
随便看	thin-walled structure thin-walled structure thin webbed girder thin white thin white thin window counter tube ThinWire thiocarbamide thiochrome thioctic acid thiocyclam thiodicarb thiodiglycol thioester thioester thioesterase thiofanox thiofentanyl thioglucosidase thioguanine Thioindigo Magenta thioketone thiokinase thiol thiolase

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

spiral arm