关于名,动词问题if ch is a vowel, increment the appropriate counter

带 ment 不一定是名词

这是英汉双解词典上的
increment
增量;【动】加1,递增,前移
1. A value used to alter a counter or register.
一种用于修改计数器或寄存器内容的值。 2. To move a card from one column to the next in the punch station so that each column presents itself for punching. | 在穿孔机上逐列地移动卡片,以使每一列都能穿孔。 3. To move a document forward in the read station from one timing mark to the next so that a new line of characters is visible to the scan head. | 在阅读机上向前移动文件,从一个时标移到下一个,以使扫描头可读取一个新的字符行。 4. To move a hopper or stacker upward or downward. | 上下移动送卡箱或接卡箱。