Insisting
v. 坚决宣称, 坚持认为( insist的现在分词 ); 坚决要求
🗣️ 情景例句
and an advance payment waiting for you
和预付稿酬等你来
I know the boy whose father is a scentist.
我知道那个男孩的父亲是科学家。
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。