-
Has an odd number of elements, the mean of the middle two Numbers.
有一个奇数的元素，在中间两个数字的含义。
youdao
-
We are asked to grasp the elements of English grammar before we finish middle school.
要求我们中学毕业前掌握基础英语语法。
youdao
-
We are asked to grasp the elements of English grammar before we finish middle school.
要求我们中学毕业前掌握基础英语语法。
youdao