Iran's air defense has downed two Israeli Lockheed Martin F-35 Lightning II fighter jets as well as a large number of micro ...

本期节目的问题来自听众王司宇。来听一下她的问题。 Question 你好。我想知道 “amount”、“quantity”、“number”、“plenty”、“many” 的用法区别。比如，“a plenty of” 和 “a large amount of” 这类搭配后面分别该跟可数还是不可数名词，单数还是双[复]数 ...