joist

n. 托梁, 桁

发音

其它 /d͡ʒɔɪst/

joists 复数 joists joisted joisting joists 三单 joisting 现在分词 joisted 过去式 joisted 过去分词

1.

A piece of timber or steel laid horizontally, or nearly so, to which the planks of the floor, or the laths or furring strips of a ceiling, are nailed.

名词

beam

From Old French giste, feminine of gist, the past participle of gesir (“to lie down”).

来源：wiktionary