Polyi-poly(c)
[化] 聚肌胞苷酸
🗣️ 情景例句
The price includes mailing costs.
这价格包括邮寄费用。
She fears Tom will drop out of school.
她担心汤姆会休学。
Modern industry is based on the conception of the maximum production at lowest cost,
以最低成本获取最多产品，