Mesectoblast
中外胚层, 外中胚层
🗣️ 情景例句
I took out a government loan to pay for college.
我靠政府贷款上的大学。
Love is like the moon; when it does not increase it decreases.
爱情像月亮，不营即亏。
A lot of people object to mobile phones, especially when they are used in public places like restaurants or on public transport.
许多人都反对移动式电话，特别是在如饭店，公共交通车等公共场所使用移动电话。