必不可少

Egg white is said to be essential for a Fizz, but optional for a

一般来说，调制菲士时，蛋清是必不可少的，但是调制酸酒和柯林斯则是可选的。

Is essential to carry the flagon, to meet always rude to embrace, Titianhangdao to shorten the distance between each other, sounded a loud roar of the horn become sworn brothers, Hou then, I am proud that I am a bandit.

随身携带必不可少的是酒壶，见面总是粗鲁的拥抱，替天行道缩短了彼此的距离，大声的呼啸吹响了拜把子的号角，那时侯，我骄傲，我是一个匪。

In the design of modern flight control system, simulation examination is necessary.

现代飞行控制系统研制过程中，飞行仿真试验是必不可少的重要步骤。

Flocculation is one of the important units and sometimes it is indispensable in water treatment.

絮凝是水处理的重要单元之一，并且往往是必不可少的步骤之一。

Effective flood control is not only necessary, but is also essential for protecting the lives of millions of

有效地控制洪水不仅是必要的，而且对保护数百万中国公民的生命来说是必不可少

Effective flood control is not only necessary , but is also essential for protecting the lives of millions of Chinese citizens .

有效地控制洪水不仅是必要的，而且中国公民的生命来说是必不可少的。

Effective flood control is not only necessary , but is also essential forprotecting the lives of millions of Chinese citizens .

有效地控制洪水不仅是必要的，而且对保护数百万中国公民的生命来说是必不可少的。

Effective flood control is not only necessary , but is also essentialfor protecting the lives of millions of Chinese citizens .

有效地控制洪水不仅是必要的，而且对保护数百万中国公民的生命来说是必不可少的。

Effective flood control is not only necessary , but is alsoessential for protecting the lives of millions of Chinese citizens .

有效地控制洪水不仅是必要的，而且对保护数百万中国公民的生命来说是必不可少

Effective flood control is not only necessary , but is alsoessential for protecting the lives of millions of Chinese citizens.

有效地控制洪水不仅是必要的，而且对保护数百万中国公民的生命来说是必不可少的。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新