Alker
abbr. alkali；alkaline
??? 情景例句
Seven letters ... two words ...
七個字母……兩個字……
Not at all.
一點兒也不。
My old friend, Harrison, had lived in the Mediterranean for many years before he returned to England.
我的老朋友哈里森在回到英國以前曾多年居住在地中海地區。