predrill

词形变化

predrilled predrilling predrills 三单 predrills predrilling 现在分词 predrilled 过去式 predrilled 过去分词

释义与例句

v.
  1. 1.

    To drill through a substrate for the purpose of readying it for a second drilling, this time with the purpose of emplacing the desired input.

词源

From pre- + drill.

来源：wiktionary