The libero cannot serve, spike the ball over the net or rotate into the front-line positions, but plays a vital role for the team in serve reception and backcourt defense.

自由人不能发球，当球高于球网时不能扣球，也不能按轮转顺序站到前排去，但他在接对方发球和后排防守方面却起到了至关重要的作用。

youdao

The point is, those leaders have only TWO front line positions and what that means to you is all of those other people are falling under EVERYBODY ELSE who is already in the matrix.

问题是，这些领导人都只有两个前线阵地，这意味著给你的是那些其他人都下的其他人已经在矩阵下降。

youdao

Now this is the first time these front-line positions where we're at have actually been hit by bombing.

CNN: Kevin Sites: Kurds see bombing on northern Iraqi positions

The reinforcement of front-line positions by Croatia does not mean an offensive is imminent, military analysts said, suggesting that it may be aimed at turning up the pressure on the Serbs.

CNN: Tensions rise as Croat troops mass on border

Now, if this is indeed a U.S. bombing raid against these front-line positions it may signify the beginning of a campaign to roll back these Iraqi defenses toward Kirkuk and begin a campaign against that city in earnest.

CNN: Kevin Sites: Kurds see bombing on northern Iraqi positions