少先队建队纪念日的英文：
anniversary of Chinese Young Pioneers

1949年10月13日是中国少年先锋队建队日。

Luncheon Celebrating the Fifteenth Anniversary of the Association
庆祝协会成立十五周年午餐会

A golden wedding is the fiftieth anniversary of a marriage.
金婚是结婚五十周年纪念日。

Many thanks for the beautiful roses for our golden anniversary!
再次感谢你为我们金婚纪念日送来的玫瑰花。

crepe de chine yarn
双绉纱

The old prefessor came back to Chine in 1949 when the mainland had just been liberated .
这位老教授是在1949年回到中国的,当时大陆刚解放。

Chining and embossing operations particularly require heavy pressures in order to force the metal into the design on the face of the tools.
压花、压币工序特别需要高压来强使金属形成工具面的图形。

You young monkey
小淘气鬼

It is written by an obscure young poet.
这是一位不知名的年轻诗人写的。

The young man has a fine person.
那小伙子相貌堂堂。