Improvisatory
a. 即席的
🗣️ 情景例句
I haven't seen you since the hospital.
自从医院相遇之后再也没有见到你。
You should see my wife in a bikini... She's a knockout.
你应该看看我太太穿比基尼的样子，致命眩晕。
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。