Sottaku logo Sottaku
Hanzi

silt/river sludge/to silt up/choked with silt/variant of 瘀[yu1]

Hanzi

Pinyin

Bopomofo

Jyutping

jyu1

Example sentences

泥沙淤積在排水溝裡,附近的路因此積水。
泥沙淤积在排水沟里,附近的路因此积水。

Mud and sand accumulated in the drainage ditch, so the nearby road flooded.

淤泥 yūní
工人清除了河道裡的淤泥。
工人清除了河道里的淤泥。

The workers cleared the silt from the river channel.

暴雨過後,河道淤積了大量泥沙。
暴雨过后,河道淤积了大量泥沙。

After the heavy rain, a large amount of silt accumulated in the river channel.

Example Vocabulary

Sottaku

About Sottaku

Sottaku is an app for learning a growing range of Asian and European languages with a strong focus on SRS. It includes automatic flashcard creation for hundreds of thousands of words, grammar breakdowns in example sentences, language-specific study packs where available, adaptive quizzes, mobile apps, a browser extension, and community features. Give it a try now! All learning content is free with no limits on flashcards or study time.

Sottaku is built to match the habits of successful learners. By using Sottaku, you will naturally learn in the most efficient way possible, as proven by countless success stories in the language learning community.

Free Forever

Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.

Smart SRS System

Our flashcard system uses the FSRS algorithm (also used in Anki) to optimize your review schedule and maximize retention.

Comprehensive Content

From hanzi, kana, hangul, and European vocabulary basics to grammar and reading practice where available, we have lessons for every level. Practice with quizzes tailored to your skill.

Community Chat

Ask level-appropriate questions and get help from the community. Learn together with fellow learners across every supported language.