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- Specialized regions of the developing limb bud including the zone of polarizing activity (ZPA), the apical ectodermal ridge (AER), and the non-ridge ectoderm regulate the patterning of digits. 在側肢發(fā)育的早期，包括極化活性區（ZPA）、頂外胚層脊（AER）和非脊外胚層在內的一些特化區域調控著(zhù)指/趾的模式形成過(guò)程。
- Who is the boy in the official school cap? 那個(gè)戴校帽的男孩是誰(shuí)？
- apical ectodermal ridge 頂端外胚層嵴
- The cap should twist off easily. 這個(gè)帽兒應該容易擰開(kāi)。
- Winning the medal was a feather in his cap. 獲得獎?wù)率撬臉s譽(yù)。
- He wore a cap with tabs over the ears. 他帶一頂有護耳的帽子。
- Put the cap back on the toothpaste. 把蓋子重新擰在牙膏管上。
- In lieu of carrying an umbrella, I wore a waterproof coat and cap. 我穿一件雨衣，戴一頂雨帽，就不用帶雨傘了。
- Before I can give them an answer I'll have to put my thinking cap. 在我回答他們之前，我必須好好地思索一下。
- Winning the gold medal was yet another feather in her cap. 奪得金牌是她又一值得驕傲的成就。
- I am not going to them, cap in hand, and ask for help. 我不會(huì )卑躬屈膝地到他們面前去請求幫助。
- The old man went cap in hand to the rich, asking some money. 那位老人卑躬屈膝地去找富人要錢(qián)。
- Dave has set his cap at the new typist. 戴維在追求新來(lái)的打字員。
- Seeds numerous, flat, apical end winged. 種子多數，平，頂端末端具翅。
- Ovary with apical, elongate portion ca. 4 cm. 子房具頂生，延長(cháng)部分達4厘米。
- Put the cap back on the bottle, otherwise the juice will spill. 把瓶蓋兒蓋好，要不汁液就灑出來(lái)了。
- Sepals triangular, without apical rostellum. 萼片三角形，沒(méi)有頂端蕊喙。
- You should put on your thinking cap to solve this problem. 你必須仔細考慮一下解決這個(gè)問(wèn)題。
- Style surpassing nutlets but not apical prickles. 花柱超過(guò)小堅果但不是頂端的皮刺。
- Whenever he speaks with a lady, he would stand erect, cap in hand. 每當他與女士交談時(shí),他總是恭恭敬敬地站著(zhù)。
