Ectomesoderm
外中胚层
🗣️ 情景例句
Did you go to Michigan too, Grandpa?
爷爷，你也上Michigan吗？
How is her accent in French?
她的法语口音怎么样？
our confidence in the curative properties of the bottle of medicine remains the same as theirs.
我们对瓶装药品疗效的信心仍与祖辈一样坚定。