Retention screw
[化] 止动螺钉
🧩 词语组成解析
retention
[ri'tenʃən]
n. 保留;记忆力，保持力;滞留，扣留;闭尿;
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
Oh! Good afternoon. Mr. Wilson, I'm sorry, but he's not in. He's gone out on business.
哦，您好！威尔逊先生。很抱歉，他不在家，他出差了。
My father is vacationing in the north.
我父亲正在北方度假。
Oh, hi, Jim! What are you going to do next week?
噢，你好，吉姆！你打算下星期做什么？