Meaning of yí:
仪
apparatus; rites; appearance; present; ceremony
Wǒmen shíyàn shì lǐ yǒu xǔduō jīngmì de yíqì.
我们实验室里有许多精密的仪器。
There are many precise instruments in our laboratory.
Cānjiā hūnlǐ shì yīgè zhòngyào de shèhuì yíshì.
参加婚礼是一个重要的社会仪式。
Attending a wedding is an important social rite.
Tā de wài yí kàn qǐlái hěn détǐ.
他的外仪看起来很得体。
His appearance looks very proper.
Zài hūnlǐ shàng, tāmen shōudào le yī fèn tèbié de lǐyí.
在婚礼上,他们收到了一份特别的礼仪。
At the wedding, they received a special present.
Wǒmen cānjiāle yī gè shèngdà de hūnlǐ yíshì.
我们参加了一个盛大的婚礼仪式。
We attended a grand wedding ceremony.