Biochemical oxygen demand
[医] 生化需氧量
🧩 词语组成解析
n. [化]氧,氧气;
oxy含氧的+gen出生,产生→氧气
vt. 要求,请求;需要;[法]召唤;询问,盘问;
n. 需求;需要;要求,请求;销路;
vi. 需要;请求;查问;
🗣️ 情景例句
I've got to keep my nose to the grindstone to support my family.
我拼命工作养家。
She serves as an impressive reminder of the great ships of past.
它给人们留下深刻的印象,使人们回忆起历史上的巨型帆船,
更多情景英语 ›