The effect is similar to the use of external images to track E-mail.

由此带来的影响类似于使用外部映像跟踪电子邮件。

youdao

In every P. E. class we all need to run three laps around school track.

每次体育课我们都必须跑三圈学校操场。

youdao

In every P. E. class we all need to run three laps around school track.

每次体育课我们都必须跑三圈学校操场。

youdao