Ectoplacodial
外产囊原基层的, 外生果孔盘的
🗣️ 情景例句
Where are your manners?
你的规矩哪里去了？
Life is long if you know how to use it.
如果懂得好好利用，生命就长了。
When the instrument is situated at more than 700 miles from the earthquake centre,
如果把这种仪器安装在距震源700多英里远的地方，