Bod ultimate
[化] 最终生化需氧量
🧩 词语组成解析
[化] 生化需氧量
🗣️ 情景例句
Please sit down.
请坐下。
Every medal has its reverse.
事物都有它的反面。
The editor at once sent the journalist a fax instructing him find out the exact number of steps and the height of the wall.
”编辑立即给那位记者发去传真，要求他核实一下台阶的确切数字和围墙的高度。