chocolate

Dark chocolate contains more cocoa and is often less sweet than milk chocolate.

(Chinese) 黑巧克力含有更多的可可，通常比牛奶巧克力甜度低。

He gave his girlfriend a heart-shaped box of chocolates for Valentine's Day.

(Chinese) 情人节那天，他送给女朋友一盒心形的巧克力。