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harmful insects
有害的昆虫
常用释义
词性释义
有害的昆虫
例句
全部
The
cage
-
typed
electric
-net
insect
killer
can
be
used
all day long
,
which
can
widely
trap
and
kill
the
crops
harmful
insects
.
这种笼式电网灭虫器能够全天候使用，更为广泛地引诱触杀农作物有害昆虫。
the
lower
bottom
is provided
with
a
movable
bait
box
,
the
bait
box
is provided with the
bait
attracting the
harmful
insects
.
下底上有一个活动的诱饵盒，诱饵盒中放置有引诱害虫的诱饵。
Instead
, they are
used
to
get
some
insects
to
come
to the plant to
help
control
harmful
insects
.
而是用于使一些昆虫过来帮助控制害虫。
New
ways
have been
found
for
controlling
harmful
insects
, for
preserving
food
, for
packaging
,
storing
and
marketing
farm products
.
控制害虫、保藏食物以及包装、贮藏和推销农产品的新方法发明了。
Scientists
have
found
that a
crop
with
a
gene
that
kills
pests
can
leave
a
poison
in
the
soil
that kills
helpful
as well as
harmful
insects
.
科学家发现，带有抗虫基因的作物能在土壤里留下毒素，这种毒素既能杀死害虫也能杀死益虫。
These
include
natural
and
organic
methods
to
control
harmful
insects
and
weeds
instead
of
using
chemicals
.
这些方法包括了自然的和有机的方法去控制有害的害虫和草而不是使用化学产品。
Some
insects
help
us by
killing
other
harmful
insects
, which
damage
plants
.
有些昆虫帮助人们杀除毁坏植物的其他害虫。
It
attracts
harmful
insects
which
cause
disease
.
它会引来引发疾病的有害昆虫。
Every year
they
eat
billons and
billions
of
harmful
insects
!
他们每年吃掉几十亿的有害昆虫。
Farmers
know
that
if
you
reduce
harmful
insects
and
diseases
in your
crops
,
you
have
a chance for a
better
harvest
.
农民们都知道，如果减少作物中的害虫和疾病，就会提高农作物的收成。