例句
1
the problems at the end of the chapter demonstrated the mathematical processes involved in the derivation
2
they were learning the basic operations of arithmetic
例句
2 / 2
1
the problems at the end of the chapter demonstrated the mathematical processes involved in the derivation
2
they were learning the basic operations of arithmetic
有帮助吗？
评论 (0)
登录后评论
还没有评论。成为第一个分享想法的人！
