Beryilium alkyl
[機] 二烷(基)鈹
?? 詞語組成解析
n. 烷基, 烴基\\na. 烷基的, 烴基的
??? 情景例句
Did you see the washcloth
你看見浴巾
Let us talk about it at our leisure.
那件事我們有空再談吧。
Education in the wilderness is not a matter of monetary means.
荒涼地區的教育不是錢的問題，