Colder
a. 更冷的, 越来越冷的（cold的比较级）
🗣️ 情景例句
Would you like to give her a little farewell party?
你要不要为她举行一个小型欢送派对？
Who is going to wait?
谁在等？
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。