kill by contact; contact poison
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesverb
to kill by contact; to have contact toxicity
technicalA technical term used primarily in agriculture, pest control, and chemistry to describe substances that kill pests upon physical contact.
Zhè这
zhǒng种
nóng农
yào药
duì对
yá蚜
chóng虫
děng等
yǒu有
jiào较
gāo高
de的
chù触
shā杀
xiào效
guǒ果
。
This pesticide has a high contact-killing effect on aphids and similar pests.
Chù触
shā杀
xíng型
shā杀
chóng虫
jì剂
tōng通
guò过
hài害
chóng虫
biǎo表
pí皮
jìn进
rù入
tǐ体
nèi内
fā发
huī挥
zuò作
yòng用
。
Contact insecticides work by entering the pest's body through its epidermis.
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Yǔ与
wèi胃
dú毒
jì剂
bù不
tóng同
，
chù触
shā杀
jì剂
bù不
xū需
yào要
hài害
chóng虫
tūn吞
shí食
。
Unlike stomach poisons, contact poisons do not need to be ingested by the pest.