defect

瑕疵、缺陷

The store replaced the phone because of a manufacturing defect.

由于制造上的瑕疵，店家为我换了一支新手机。

缺点、不足

The main defect of the plan is that it costs too much.

这个计划最大的缺点就是花费太高。

缺损、畸形医学

The baby was born with a minor heart defect.

这名婴儿出生时有轻微的心脏缺损。

叛逃、变节、投奔

Two senior officers defected to the other side last winter.

去年冬天有两名高阶军官投奔敌方。

跳槽、出走

Several engineers defected to a rival firm after the merger.

合并之后，好几名工程师跳槽到竞争对手的公司。