n.

1. 零；零号[C]
   There are two zeros in 1008.

   在1008中有两个零。

2. （刻度表上的）零点，零位；（气温的）零度[U]
   At zero water is frozen solid.

   零度时水冻结为固体。

3. 最低点；无，乌有[U]
   Measures have been taken to reduce the incidence of the disease to zero.

   业已采取措施把发病率降到最低程度。

4. 无足轻重的人；没有价值的东西[C]

a.

1. 零的
2. 没有的，全无的
   I have given it zero thought.

   我对这事一点没有考虑过。

   He has given my suggestion zero thought.

   他对我的建议一点没有考虑过。

vt.

1. 把……调整归零；对……作归零校正
2. 把……减少到零

cardinal number

v.

1. adjust (an instrument) to zero.
2. set the sights of (a gun) for firing.
   ▸ (zero in on) take aim at or focus attention on.