defective
adj
dɪˈfektɪv
adj
1
not
made
properly,
or
not
working
properly
有问题的，有毛病的，有缺陷的; SYNfaulty
The
disease
is
caused
by
a
defective
gene.
这种疾病是由缺陷基因引起的。
defective
products
有缺陷的产品