Emmer
n. 二粒小麦(小麦之一种)
🗣️ 情景例句
Has he ruled out possibility of lawsuit?
他有没有排除诉讼的可能性？
Judge not a book by its cover.
评定一本书，不能凭封面。
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。