例句
1
the frequency of modulation was 40 cycles per second
2
the frequency of his seizures increased as he grew older
例句
2 / 2
1
the frequency of modulation was 40 cycles per second
2
the frequency of his seizures increased as he grew older
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！
