a.

1. 各式各樣的；種種的
   manifold duties

   種種責任

2. 具有多種形式（或特點等）的；有許多部分的
   The uses of this machine are manifold.

   這臺機器有多種用途。

n.[C]

1. 多種
2. 【機】歧管

vt.

1. 複寫，複印
   manifold a letter with carbon paper

   用複寫紙複寫一封信

2. 使多樣化

adj.

1. many and various.
2. having many different forms.

n.

1. a pipe or chamber branching into several openings.
2. (in an internal-combustion engine) the part conveying air and fuel from the carburettor to the cylinders or that leading from the cylinders to the exhaust pipe.