Biodegraded
vt. 生物递降分解（biodegrade的过去式与过去分词形式）
🗣️ 情景例句
It's nothing.
没什么。
The most important festival in China is the Spring Festival.
中国国，最重要的节日是春节。
What are you doing? he asked.
“你在做什么？”他问道。