countersink

countersink读音音标

英[\\\'kaʊntəˌsɪŋk]

美[\\\'kaʊntəˌsɪŋk]

基本意思释义

vt.钻孔装埋，打埋头孔

n.埋头孔，暗钉眼

词性变化

第三人称单数:countersinks;

过去式:countersank;

过去分词:countersunk;

现在分词:countersinking;

短语及实用例句

Drill and countersink the holes to keep wood from splitting.

钻和锪孔,以保持木材的从分裂.

英英释义

Noun

1. a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface

2. a bit for enlarging the upper part of a hole

Verb

1. insert (a nail or screw below the surface, as into a countersink)