名词
中文翻译：外胚层
同义词：
['ectoderm', 'epidermis例句：1. The epidermis of the skin is responsible for protecting it from external factors.（皮肤的外胚层负责保护皮肤免受外界因素侵害。）']
例句：
-
1. The epidermis of the skin is responsible for protecting it from external factors.
皮肤的外胚层负责保护皮肤免受外界因素侵害。
-
2.During embryonic development, the epidermis undergoes significant changes.
在胚胎发育过程中，外胚层经历显著变化。
-
3.Researchers are studying the role of the epidermis in wound healing.
研究人员正在研究外胚层在伤口愈合中的作用。