约速效果到一个边界球内。

Restricts the effect to within a bounding sphere.

youdao

它开始于一个边界球，我们被抓住漏洞了，我们没有很快地重新站位。

Yes we were caught out because it started with a throw-in and we did not re-position ourselves quickly enough.

youdao

板球为了边界球的判罚设置了一个外场裁判，以确认击球手是否出局，接球是否真实有效。

Cricket keeps an off-field umpire for boundary calls, and to ascertain whether batsmen are run out, and if catches are real.

youdao