Antichecking agent
[化] 防龟裂剂
🧩 词语组成解析
🗣️ 情景例句
Have you ever done supervisory work?
你担任过管理工作吗？
Why do you always bother me?
你干嘛老是找我麻烦？
from which can be seen the strata the drill has been cutting through.
从中能看出钻头所钻透的地层。