C horizon
n. 【地质学】 (土壤断面三层结构中的)C层(土壤), 淀积层, 母质层[参见 ABC soil]
🗣️ 情景例句
and he's very unhappy about not working.
他对没有工作感到怏怏不乐。
The doctor said it's just a litter heat rash, There's nothing to worry about.
医生说只是出疹子,不需要担心。
Hello, Jim! Nice to meet you.
吉姆,你好。见到你很高兴!
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