Stepstone
n. 楼梯石级
🗣️ 情景例句
Technology may bring breakthroughs to many currently incurable diseases.
科技能给现在无法治愈的疾病带来突破。
The war threatened his well-being.
战争威胁他的幸福。
For them this is a major operation which involves considerable planning.
看戏在他们是件大事，需要精心计划。