Chronolith
[地质]岩石年代单位
🗣️ 情景例句
Thank you.
谢谢你。
Put your shoulder to the wheel.
努力工作。
Yesterday the firemen examined the ground carefully, but were not able to find any broken glass.
昨天，消防队员仔细查看了地面，但未能发现碎玻璃。