yàn
堰
weir; low water barrier
Tone colorsmāmámǎmàma
Meanings
1 sense · 5 examplesnoun
low water barrier; weir
technicalTechnical term in hydrology and civil engineering, referring to a structure built across a river to raise water level for irrigation or navigation.
Zhè这
ge个
yàn堰
kě可
yǐ以
tí提
gāo高
shàng上
yóu游
shuǐ水
wèi位
，
fāng方
biàn便
guàn灌
gài溉
nóng农
tián田
。
This weir can raise the upstream water level to facilitate farmland irrigation.
Gǔ古
dài代
gōng工
jiàng匠
xiū修
jiàn建
le了
xǔ许
duō多
yàn堰
lái来
gǎi改
shàn善
háng航
yùn运
tiáo条
jiàn件
。
Ancient craftsmen built many weirs to improve navigation conditions.
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Shuǐ水
lì利
gōng工
chéng程
zhōng中
de的
yàn堰
xū需
yào要
dìng定
qī期
wéi维
hù护
yǐ以
què确
bǎo保
ān安
quán全
。
Weirs in water conservancy projects need regular maintenance to ensure safety.
Zhè这
ge个
xiǎo小
xíng型
yàn堰
de的
shè设
jì计
mù目
dì的
shì是
tiáo调
jié节
jú局
bù部
shuǐ水
liú流
。
This small weir is designed to regulate local water flow.
Zhuān专
jiā家
zhèng正
zài在
píng评
gū估
xīn新
jiàn建
yàn堰
duì对
shēng生
tài态
huán环
jìng境
de的
yǐng影
xiǎng响
。
Experts are evaluating the impact of the newly built weir on the ecological environment.