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解释
软体工程;
同义
atomic number 34
se
selenium
词性
n
解释
a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)
示例
None
同义
sou'-east
southeast
southeastward
se
词性
n
解释
the compass point midway between south and east; at 135 degrees
示例
None