英语词汇“原头”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	原头
释义	原头 yuán tóuprotocephalon昆虫胚胎的部分,由口前叶和第一口后体节所组成原始节足动物的头部,相当于感觉器官而与较高级形态的头部取食部分相区别,大概相当于环节动物的口前叶原頭
随便看	needle-talk needle tapestry needle tapping needle tear needle technology needle teeth needle telegraph needle test point needle therapy needle thermocouple needle thread needle threader needle-threader needle threaders needle threading device needle-threading device needle thread, lower thread needle thread take-up device Needle Three needle through needle-through-needle needle through skin needle throw needle thrust bearing needle timber