The dumping of highly radioactive nuclear wastes into the Pacific Ocean constitutes a potential \_\_\_\_ to a process of global radioactive contamination.
Atrigger正確答案
Bshield
Cstifle
Dhalt
答案與詳解
為什麼答案是 A
trigger 作名詞時意為「觸發因素、起因」，符合句意（引發全球放射性污染的潛在起因）且詞性正確。
載入中…
