thirling
掏槽落煤法
词形变化
thirlings
复数
thirlings
别名
thurling
释义与例句
n.
-
1.
The act of boring or perforating
-
2.
Same as thirl
-
3.
In lead-mining, a mark indicating the termination of a set or pitch
商务 采矿
v.
-
1.
present participle and gerund of thirl
词源
From Middle English thurlunge, from Old English þȳrlung (“piercing”), verbal noun of þȳrlian (“to pierce”). Equivalent to thirl + -ing.
来源:wiktionary