cordate的音標為[?k??de?t] ，基本翻譯為“心形”，速記技巧為“core+date”即“核心日期”構成心形。

Cordate這個詞源自拉丁語，意為“有繩子的”。它的變化形式包括過去式cordatus，過去分詞cordatus，現在分詞cordate，以及形容詞形式cordate。

相關單詞包括：heart（心形）, cord（線）, corde（繩子）, cordial（熱情的）, cordiform（心形的）, cordiformly（心形地）, cordiformity（心形）, cordiformly（形容詞形式），corde（cordello的過去分詞形式），以及cordello（意大利的一種軟毛織物）。

這些單詞都與“心形”或“繩子”有關，因為cordate這個詞本身就表示心形，而corde和cordiole則與繩子有關。這些單詞在英語中廣泛使用，并且可以用來描述各種形狀和物體。

常用短語：

1. date back to (某事物)始于(某時間之前)

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

這座建筑可以追溯到十七世紀。

2. on/at the date of (某日期)在(某日期)這一天

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

信在我生日那天到達。

3. date from (某事物)起源于(某時間之前)

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

我們公司的歷史可以追溯到上世紀八十年代。

4. date back to and include (某事物)始于(某時間之前)并包括(某事物)

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

這個鎮的歷史可以追溯到16世紀，并包括一場著名戰役。

5. date in (某地點)在(某地點)發生或存在

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

聚會在我房間里舉行，可以追溯到我大學第一年的事情。

6. date from (某事物)起源于(某時代或時期)

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

汽車的發明可以追溯到19世紀晚期。

7. date back to (某事物)始于(某時代或時期)并一直存在至今

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

情人節送禮物的傳統可以追溯到古羅馬時代。

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.