Screw-jacks
(screw-jack 的复数) 螺丝千斤顶, 螺旋起重器
🧩 词语组成解析
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
Hey, do you work out?
嘿,你锻炼吗?
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如,很多公司向图书馆借阅科技书籍时感到很困难,
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