名词
中文翻译：外胚层
同义词：
['outer epidermis', 'outer layer例句：1. The embryonicdevelopment of the plant is divided into threemain stages: the procambium', 'the pericycle', 'and the exoperistome.（植物胚胎发育分为三个主要阶段：初生韧皮部、次生韧皮部和外胚层。）']
例句：
-
1. The embryonicdevelopment of the plant is divided into threemain stages: the procambium, the pericycle, and the exoperistome.
植物胚胎发育分为三个主要阶段：初生韧皮部、次生韧皮部和外胚层。
-
2. During the early stages of development,the cells in the exoperistomeare still connected to the underlying tissues.
在发育的早期阶段，外胚层中的细胞仍然与下面的组织相连。
-
3. The exoperistome is responsible for producing theplant's primary food source, whichis carbohydrates.
外胚层负责产生植物的主要食物来源，即碳水化合物。