zeal n.热心，热情，热忱；
zero n.零；零点，零度；
zoo n. 动物园；
zip n. 拉链；活动，尖啸声；v. 拉上…拉链
His reforming zeal was boundless.
他对于改革热情无限。
Her reforming zeal was boundless.
她对于改革热情无限。
This jacket zips up right to the neck.
这件夹克的拉链一直拉到脖子。
水利万物而不争,
而万物莫能与之争。
