您要查找的是不是：
- how long can Liang hold? 梁城能守多久?
- How long can we hold out against these attacks? 我们对这些攻击能抵抗多久?
- How long can you hold your breath for? 你能屏住呼吸多久?
- How long can you hold your breath underwater? 你可以在水下呆多久?
- How long can you hold your breath underwater ? . 你在水下能潜多久呢?深呼吸一下，我给你计时。
- How long can you hold your breath? 你能屏住呼吸多长时间?
- How long can you stare without blinking your eyes? 你能瞪着看多长时间不眨眼?
- How long can a human being go (ie survive) without food? 人不吃东西能活多久?
- How long can you stare without blinking (your eyes)? 你能瞪著看多长时间不眨眼?
- How long can a small force of mercenaries hold down an entire people? 一支小小的雇佣军能压服整个民族多久呢?
- How long can I know the result of the examination? 我多久可以知道结果?
- How long can you balance yourself on one foot ? 你用一只脚能站立多久?
- How long can you hop on your right foot ? 你用右脚能跳多远?
- How long can you hop on your right foot? 你用右脚能跳多远?
- How long can you balance yourself on one foot? 你用一只脚能站立多久?
- Excuse me,how long can I keep these books? 请问，这些书我可以借多久?
- How long can you balance on one leg? 你单腿能站多久?
- In the game how long can you adhere to? 在游戏中你又能坚持多久呢?
- How Long Can The High Oil Price Last? 高油价还能持续多久?
- How long can I live in the universe? 寓形宇内复几时?
