fedor
例句
The 'b' had been wrongly written as a 'd'.
b错写成d了。
《牛津词典》
Milk, oily fish and eggs all contain vitamin D.
牛奶、油性鱼类和鸡蛋全都含维他命D。
《柯林斯英汉双解大词典》
Lack of vitamin D is another factor to consider.
缺乏维生素D是另一个需要考虑的因素。