Preformation membranes
[医] 预成膜
🧩 词语组成解析
n. 预先形成\\n[医] 先成说, 预成说
n. （动物或植物体内的）薄膜( membrane的复数形式 ); 隔膜; （可起防水、防风等作用的）膜状物
🗣️ 情景例句
Don't talk with your mouth full.
嘴里满是东西时别说话。
What do you want us to do?
您看怎么办好？
The experts were now fully convinced that the animal was a puma,
专家们如今已经完全肯定那只动物就是美洲狮，