5 sentences

1. 古人常以白金鋈其器。

   gǔ​rén cháng yǐ bái​jīn wù qí qì.

   Ancient people often plated their vessels with white metal.

   Source: Dong Chinese Dictionary

2. 这枚戒指表面镀了一层白金。

   zhè méi jiè​zhi biǎo​miàn dù le yī céng bái​jīn.

   This ring is plated with a layer of platinum.

   Source: Dong Chinese Dictionary

3. 这枚戒指是由纯白金制成的。

   zhè méi jiè​zhi shì yóu chún bái​jīn zhì​chéng de.

   This ring is made of pure platinum.

   Source: Dong Chinese Dictionary

4. 这位将领因立下战功，被朝廷赏赐了白金万两。

   zhè wèi jiàng​lǐng yīn lì​xià zhàn​gōng, bèi cháo​tíng shǎng​cì le bái​jīn wàn liǎng.

   The general was rewarded with ten thousand taels of silver by the imperial court for his military achievements.

   Source: Dong Chinese Dictionary

5. 在新加坡，出席葬礼通常会送白金以示哀悼。

   zài Xīn​jiā​pō, chū​xí zàng​lǐ tōng​cháng huì sòng bái​jīn yǐ shì āi​dào.

   In Singapore, it is customary to give 'pek kim' at funerals to express sympathy.

   Source: Dong Chinese Dictionary