a boat一只小船
aart.一(个);每一(个);任一(个)n.英语字母表的第一个字母;学业成绩得优者;表示“最好”的符号
a little dining room.一间小饭厅。
a clinical diagnosis.临床诊断
A View Of Father's Back
a heart-shaped brooch鸡心形的胸针
a facultative enactment授权的法令
a low-pitched roof.一个倾斜缓慢的屋顶
a poor quality of cloth品质低劣的布料
a drain on one's pocket
a thousand times easier容易千万倍
A Plea for Pure Science为纯科学呼吁