Backfilled
v. 回填（挖掘的洞穴）( backfill的过去式和过去分词 )
🗣️ 情景例句
Mostly watching television.
大部分是看电视。
You're sure of passing the exam if you work hard.
只要用功，主汪定能考及格。
It is well known that where the white man has invaded a primitive culture,
众所周知，凡是白人侵入原始文化的地方，