Helen is very good at throwing the javelin and Mary is very good at running.

海伦很擅长标枪，玛丽则长于跑步。

youdao

The player was throwing a javelin.

运动员正在投掷标枪。

youdao

The player is throwing a javelin.

运动员正在投掷标枪。

youdao

The player is throwing a javelin.

运动员正在投掷标枪。

youdao