例句:He turned the ignition key.
他转动钥匙点火。
2.significant adj.重要的, 重大的, 可观的
例句:This is a significant contribution to knowledge.
这是对知识的重大贡献。
3.foretell vt.预言;预示
例句:She foretold that the man would die soon.
她预言那人快要死了。
4.numerous adj.很多的, 许多的
例句:There are numerous people in the square.
有许多人在广场上。
5.breakthrough n.突破点, 突破性进展, 重要的新发现
例句:Scientists have made a breakthrough in their treatment of that disease.
科学家在治疗那种疾病方面已有突破。