Pivot screw
[医] 螺旋柱桩
🧩 词语组成解析
pivot
['pɪvət]
n. 枢轴;中心点，中枢;[物]支点，支枢;[体]回转运动;
vi. 在枢轴上转动;随…转移;
vt. 把…放在枢轴上;以…为核心;使绕枢轴旋转;由…而定;
adj. 枢轴的;关键的;
screw
[skru]
n. 螺丝钉;螺旋桨，螺旋状物;（螺丝的）转，扭;吝啬鬼;
vt. 用螺丝拧紧;扭曲（某人的面孔）;〈俚〉占便宜，诈骗;
vi. 扭转，扭歪;旋紧;（和某人）性交;
🗣️ 情景例句
Really, Grandpa?
真的， 爷爷？
I used to be a pilot. Now, I'm a parachutist.
我曾经做过飞行员，如今是伞兵了。
We set off down the hill. At first it was easy walking over the grass. Then the grass turned to bushes and the hillside became steeper. We climbed over rocks, through trees and found it more and more difficult to get down the hill. By now we were beginnin
我们开始下山，起初很容易地走过草地，后来草地变成了灌木丛，山峰变得更陡了。我们爬过岩石，穿过树林，发现下山越来越难。这时我们感到疲惫，雨也下大了。我在一小块草地上停下来，转身看看跟在我后面的弟弟。就在这时我在两块岩石中间发现了一个洞。“我过去看看，”我喊?2282