Annular distance
[化] 环孔
🧩 词语组成解析
annular
[['ænjulə]]
a. 环形的\\n[医] 环状的
distance
['dɪstəns]
n. 距离，路程;远处;疏远;（时间的）间隔，长久;
vt. 把…远远甩在后面;疏远;与…保持距离;
dist距离 + ance 表名词，状态、情况、性质、行为 → n.距离,间距;远处
🗣️ 情景例句
Those were great days and we were very happy.
那些日子美好极了，我们过得很幸福。
To run into
碰撞
So archaeologists have neither history nor legends to help them to find out where the first 'modern men' came from.
于是，考古学家们既缺乏历史记载，又无口头传说来帮助他们弄清最早的“现代人”是从哪里来的。