pretighten
词形变化
pretightened
pretightening
pretightens
三单
pretightens
pretightening
现在分词
pretightened
过去式
pretightened
过去分词
释义与例句
v.
-
1.
To tighten (bolts, etc.) in advance.
及物
词源
From pre- + tighten.
来源:wiktionary