必不可少

Cupid, the pudgy, winged son of Venus, the goddess of love.

送花是情人节必不可少的节目之一，那一天花店的生意肯定都特别好。

In order to keep these operations well functioning and punctually on time, special vehicles of high quality are essential.

为了使地勤保障工作顺畅、准时地进行，高品质的专用车辆是必不可少的。

Let me put is another way, education is essential for progress.

让我换一种说法，教育是进步所必不可少的。

They are listed together because they are the sine qua non of any risk system.

它们列在一起，因为他们是必不可少的任何风险制度。

All this, he writes,"began with water, the sine qua non of any civilization."

他写道，所有这些，"来源于水，水是任何文明产生的必不可少的条件。"

In particular, it has been researched that "ego" is indispensable to quantum measurement process.

特别是研究了"自我"在量子力学的测量过程中所起的必不可少的作用。

Quayside container crane is an absolutely necessary technical equipment in heavy industry transportation in our country.

岸边集装箱桥式起重机是我国重工业运输环节中必不可少的工艺装备。

Rabelais sees also the form of playing on carnival as the main way of characterization and expressing in his works.

拉伯雷正是将狂欢节的游戏表演形式作为其作品人物塑造及内容表达的主要方式，使民间诙谐文化在《巨人传》中得到了扩大及延展，并在作品中保存及流传，成为狂欢节传统中必不可少的文化内容。

The dynamic target measure is absolutely necessary in the research of radar target RCS.

动态目标测量是雷达目标RCS特性研究必不可少的一种手段。

This is one recipe book that belongs in every earth-friendly kitchen.

在每一个现代健康的厨房里，这本菜谱书都是必不可少的。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。