亚洲国产精品视频中文字幕,毛片亚洲AV无码精品国产午夜,亚洲国产精品色婷婷,国产综合日韩精品第16页

單詞乎

selenium

音標(biāo)[si'li:ni?m]
selenium是什么意思、selenium怎么讀

selenium漢語(yǔ)翻譯

n. 硒
【化】 硒Se
【醫(yī)】 硒(34號(hào)元素)

selenium詞型變化

簡(jiǎn)寫(xiě)符號(hào):Se 

selenium英語(yǔ)解釋

名詞 selenium:

  1. 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)
    同義詞:Se, atomic number 34
0
糾錯(cuò)