✔ 最佳答案
Equipment本身係uncountable, 如果要以countable的方式表達, 就要寫成
a piece of equipment
以下亦有其他uncountable nouns的例子:
Here is a list of common words which are usually uncountable in English.
Corresponding countable expressions are given in brackets.
accommodation (countable - a place to live)
advice (a piece of advice)
baggage (a piece of baggage; a bag, a case)
bread (a piece of bread; a loaf; a roll)
chess (a game of chess)
chewing gum (a piece of chewing gum)
equipment (a piece of equipment; a tool)
furniture (a piece/article of furniture)