- Another team at Nagoya University in Japan has tested calcium compound as an energy storage material.
2018年12月六級真題（第二套）聽力 Section C
- Heating this chemical compound drives off carbon dioxide gas, leaving calcium oxide.
2018年12月六級真題（第二套）聽力 Section C
- To compound the delays, the unused airport is resulting in massive costs.
2019年12月六級真題（第二套）聽力 Section C
- Scientists say the compound is "bound to be carcinogenic" but have no hard scientific proof.
2020年考研真題（英語一）完形填空 Section Ⅰ
- The Food Standards Authority FSA has issued a public warning about the risks of a compound called acrylamide that forms in some foods cooked at high temperatures.
2020年考研真題（英語一）完形填空 Section Ⅰ