【TOEFL核心词汇】No.9 车床
来源:沪江听写酷
2012-12-02 08:00
Hints:
只听写例句。前面的单词不用听写。注意有两个"——"符号。
In the late sixteenth century the glass lathe was introduced, making it possible to ground several lenses at once and also to produce——as objects of curiosity——powerful, thick concave lenses.