Fission track dating
[化] 裂变径迹年代测定
🧩 词语组成解析
track
[træk]
n. 小路，小道;痕迹，踪迹;轨道，音轨;方针，路线;
vt. 跟踪;监看，监测;追踪;
vi. 沿着轨道前进;沿着一条路走，旅行;位于一队列中;
track(draw)→足迹；轨道；线路；追踪
[计] 记日期的\\n[经] 注明日期
🗣️ 情景例句
Ah, you are an early bird then!
你原来是早起的人。
We can see the train station from our house.
从我们的屋子可以看到火车站。
Apparently what happened was that water collected on these tar pits, and the bigger animals like the elephants ventured out on to the apparently firm surface to drink, and were promptly bogged in the tar.
沥青坑里积存了水，大象那样的大动物冒险到似乎坚固的水面上去饮水，立即掉进了沥青坑。