Ectdermal blastomere
[医] 外胚层裂球
🧩 词语组成解析
[医] [分]裂球
🗣️ 情景例句
He was ill at ease with people whom he didn't understand.
他和不熟悉的人在一起感到不自在。
Care killed the cat.
忧虑伤身。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。