Peyer's patches
[医] 派伊尔氏淋巴集结, 淋巴集结
🧩 词语组成解析
n. 修补程序；补丁；斑块（patch的复数）
🗣️ 情景例句
Stopping by Woods on a Snowy Evening
雪夜林边小驻足
Those goods are available in strong wooden drums of 1,2,5,10 and 20 litres.
这些货物分别装入1、2、5、10、20升的木桶里。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。