Secondary ectoderm
[医] 次级外胚层
🧩 词语组成解析
secondary
['sɛkəndɛri]
adj. 第二的，中等的;助手，副手;中等教育的;间接的;
n. 副手，代理人;[天]双星中较小较暗的一个，卫星;[语]次重音;
second第二+ary...的→第二的
n. 外胚层, 外层\\n[医] 外胚层
🗣️ 情景例句
Stop irritating me.
别烦我了。
All things must come to an end.
天下无不散的筵席。
Big Ben takes its name from Sir Benjamin Hall who was responsible for the making of the clock when the new Houses of Parliament were being built.
“大本”钟得名于本杰明。霍尔爵士，因为当建造新的国会大厦时，他负责建造大钟。