要实现此目的，需要有一支精心设计的回旋镖，并能使用正确的投掷方法…

To achieve this goal, we needed a well-designed boomerang , and to use the correct throwing method …

youdao

要实现此目的，需要有一支精心设计的回旋镖，并能使用正确的投掷方法…

To achieve this goal, we needed a well-designed boomerang , and to use the correct throwing method …

youdao