🧩 词语组成解析
[医][=severe iron deficiency anemia]严重缺铁性贫血
🗣️ 情景例句
It's mostly young people who take part.
参加活动的绝大多数是年青人。
We can't write very well.
我们不能写那么多。
It has been estimated that the weight of all the insects destroyed by spiders in Britain in one year would be greater than the total weight of all the human beings in the country.
据估计，在英国蜘蛛一年里所消灭昆虫的重量超过这个国家人口的总重量。