Usages of chónghài
盆栽 有 虫害。pénzāi yǒu chónghài.
The potted plant has a pest infestation.
一旦 发现 虫害， 就 先 看 叶片。yídàn fāxiàn chónghài, jiù xiān kàn yèpiàn.
Once you discover a pest infestation, check the leaves first.
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