Threading unit
[化] 螺纹车床
🧩 词语组成解析
[计] 穿线\\n[化] 车螺纹
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Well, if they're not,
噢， 假如店不开的话，
He drinks a lot of vegetable juice.
他每天都喝很多蔬菜汁。
Libraries made education possible, and education in its turn added to libraries: the growth of knowledge followed a kind of compound interest law, which was greatly enhanced by the invention of printing.
藏书使教育成为可能，而教育反过来又丰富了藏书，因为知识的增长遵循着一种“滚雪球”的规律。印刷术的发明又大大提高了知识增长的速度。