It is believed that to accidentally find a four-leaf clover is a sign of good luck.
人们相信，偶然发现四个瓣的三叶草是一种幸运的象征。
In fact it is very rare to find a four-leaf clover.
事实上，四个瓣的三叶草是非常罕见的。
The four-leaf clover is one of the most valuable of all good luck charms.
四叶苜蓿是所有吉祥物中最珍贵的一种。
Good luck to you! I do not hope you will be tired of reading my platitude -just behold it as a four-leaf clover!
祝你幸运，希望你不会对我沉长的信感得厌倦——仅仅就将它看作是一朵幸福的小四叶草吧！
A friend is like a four leaf clover, hard to find but lucky to have.
朋友就像四叶花瓣的幸运草，很难找到却很幸运拥有。
Here, growth regularity of leaf tillers and population structure of winter wheat seeded on suitable time, and the four cultivation systems are introduced in detail.
本文较详细地介绍了适期播种的冬小麦叶蘖生长规律、群体结构及四大栽培体系的技术特点。
To illustrate, Figure 5 shows the state of a hypothetical iterator that can move back one, two, three, or four places, but no more, because that would require accessing the previously visited leaf.
为了说明这个作法，图5显示一个虚构的迭代器的状态，它能够向后移动一、二、三、四个位置，但不能移动更多位置，因为这要求访问前面访问的叶节点。
The four leaf clover is a universally accepted symbol of good luck with its origin ages old. According to legend, Eve carried a four leaf clover from the Garden of Eden.
四个叶片的三叶草被认作是幸运的象征，相传是夏娃将它带出了伊甸园。
This experiment inspected the effect of four different growth regulators on callus induction of cotyledon young leaf petiole and hypocotyl in creeping dichondra with the orthogonal design.
采用正交设计试验法，研究了四种不同生长调节剂对马蹄金子叶、片、柄和下胚轴愈伤组织诱导的影响。
Friends are like four leaf clovers.
——朋友就像四叶草。
The four fungi could not exhibit the enlargement of oil-rape leaf spots of sclerotinia sclerotiorum M08 strain in vitro.
在油菜离体叶片接种试验中，四菌株对核盘菌M08叶面病斑的扩展没有抑制作用。
In this powerful gathering, we have three of the five top tobacco-leaf exporting countries, and four of the five top cigarette-exporting countries.
在这次重大聚会中，前五名烟叶出口国中有三个国家出席，前五名卷烟出口国中有四个国家出席。
The four leaf clover is disguised between other three leaf clovers and multi-coloured pigs - and there is even one pig in a top hat.
这株四叶草藏身于很多三叶草之中，草地上有很多彩色的猪，其中一只还戴着礼帽。
If you're dreaming of good fortune in lotterydraw, forget about four leaf clovers - and look at your name.
如果买彩票想中大奖，别指望四叶草能给你带来好运，还是看看你自己的名字吧。
When you pick it off you find a Four Leaf Clover!
当你捡起它的时候，你看到了四叶草！
On hearing the blessing of the four leaf clover, the fortune will accompany you forever.
自你收到四叶草的祝福开始，从此福运将伴你左右。
The influence of Si, B, Mn and their coordination on the growth of potted plant Four-season-fragrant-olive by spraying fertilizer on the leaf surface were studied.
研究了在叶面喷施的条件下，硅硼锰以及硅硼锰配合对盆栽四季桂生长的影响。
Those deserving special praise are the Little Leaf and Four Eyes.
在这里我特别要表扬的是小叶和四眼。
The article studied that Si? B? Mn and their coordination could influence the growth of potted plant Four-season-fragrant-olive by spraying fertilizer on the leaf surface.
研究了在叶面喷施的条件下，硅、硼、锰以及配合对盆栽四季桂生长的影响。
The article studied that Si? B? Mn and their coordination could influence the growth of potted plant Four-season-fragrant-olive by spraying fertilizer on the leaf surface.
研究了在叶面喷施的条件下，硅、硼、锰以及配合对盆栽四季桂生长的影响。
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