-
All right. And of course, there's trigonometric identities you know from high school.
好的,当然了,你们高中就学过了三角恒等式
应用推荐
$firstVoiceSent
- 来自原声例句
All right. And of course, there's trigonometric identities you know from high school.
好的,当然了,你们高中就学过了三角恒等式
应用推荐