cordate

cordate的音标为[ˈkɔːdeɪt] ，基本翻译为“心形”，速记技巧为“core+date”即“核心日期”构成心形。

Cordate这个词源自拉丁语，意为“有绳子的”。它的变化形式包括过去式cordatus，过去分词cordatus，现在分词cordate，以及形容词形式cordate。

相关单词包括：heart（心形）, cord（线）, corde（绳子）, cordial（热情的）, cordiform（心形的）, cordiformly（心形地）, cordiformity（心形）, cordiformly（形容词形式），corde（cordello的过去分词形式），以及cordello（意大利的一种软毛织物）。

这些单词都与“心形”或“绳子”有关，因为cordate这个词本身就表示心形，而corde和cordiole则与绳子有关。这些单词在英语中广泛使用，并且可以用来描述各种形状和物体。

常用短语：

1. date back to (某事物)始于(某时间之前)

例句：The building dates back to the 17th century.

这座建筑可以追溯到十七世纪。

2. on/at the date of (某日期)在(某日期)这一天

例句：The letter arrived on the date of my birthday.

信在我生日那天到达。

3. date from (某事物)起源于(某时间之前)

例句：The history of our company dates from the 1980s.

我们公司的历史可以追溯到上世纪八十年代。

4. date back to and include (某事物)始于(某时间之前)并包括(某事物)

例句：The history of this town dates back to the 16th century and includes a famous battle.

这个镇的历史可以追溯到16世纪，并包括一场著名战役。

5. date in (某地点)在(某地点)发生或存在

例句：The party was held in my room and dates back to my first year at university.

聚会在我房间里举行，可以追溯到我大学第一年的事情。

6. date from (某事物)起源于(某时代或时期)

例句：The invention of the car dates from the late 19th century.

汽车的发明可以追溯到19世纪晚期。

7. date back to (某事物)始于(某时代或时期)并一直存在至今

例句：The tradition of giving gifts on Valentine"s Day dates back to ancient Rome.

情人节送礼物的传统可以追溯到古罗马时代。

英文小作文：

Title: The History of Valentine"s Day

Valentine"s Day, also known as Saint Valentine"s Day, is a festival celebrated on February 14th each year. It is a day when people express their love and affection for each other through cards, flowers, and gifts. However, the history of this festival is quite complex and involves various cultures and traditions.

According to some accounts, Valentine"s Day originated from a Christian tradition where a priest named Valentine is said to have blessed love letters to couples in the early Middle Ages. However, other scholars suggest that the festival may have originated from a pagan fertility festival that was later associated with St. Valentine"s Day. In any case, the festival has evolved over time and has become a global celebration, with people from all walks of life participating in various activities to commemorate it.

From cards to chocolates, from flowers to dinners out, Valentine"s Day has become a time for lovers to express their love for each other in unique ways. Whether it"s a romantic date or a family gathering, this day is marked by moments of joy and celebration as people express their affection for those they hold dear. Although the history of Valentine"s Day is complex, it has become an integral part of our culture that brings joy and happiness to millions of people around the world.