Biological oxygen demand (bod)
[化] 生物需氧量
🧩 词语组成解析
adj. 生物学的;生物的;与生物学相关的;有血亲关系的;
n. [药]生物制品,生物制剂;
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
Five hundred dollars, please. And could you give me ten dollar in small change?
请换500美元。再另外能否给我10元的小面额零钱?
Do you have an extension?
你有分机吗?
It is animals and plants which lived in or near water whose remains are most likely to be preserved,
只有生活在水中或水边的动植物尸体最有可能被保存下来,
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