defect

1. N-COUNT A defect is a fault or imperfection in a person or thing. 缺陷

He was born with a hearing defect. 他天生聽(tīng)力就有缺陷。

A report has pointed out the defects of the present system. 一份報(bào)告指出了現(xiàn)有體制的缺陷。

2. V-I If you defect, you leave your country, political party, or other group, and join an opposing country, party, or group. 背叛

...a KGB officer who defected in 1963. …一個(gè)1963年叛變的克格勃官員。

3. defectionN-VAR 背叛

...the defection of at least sixteen parliamentary deputies. …至少16位國(guó)會(huì)議員的背叛。