Phyllobius
树叶象属
🗣️ 情景例句
My educational background and professional experience make me qualified for the job.
我的教育背景和工作经验使我能够胜任这项工作。
What are you interested in?
你对什么比较感兴趣？
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。