Note the useful expressions next but one, last but one.
* They live in the house next but one to Mary. (i.e. two houses away from Mary)
* Is this the final candidate? ~ No, it's the last but one. (i.e. there are two more people to be interviewed)

Pick:
A weft or the passage of a weft through a shed.

A single strand of WEFT or FILLING YARN carried across and interlaced through the strands of WARP YARN.
bitwisegifts.com/glencoenc/library/doc4.htm

A loop of weft, which may be one or more threads, laid across a warp during weaving.
www.e4s.org.uk/textilesonline/content/6library/report1/text...


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Note added at 36 mins (2008-06-13 06:06:51 GMT)
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Sebagaimana diperlihatkan rujukan di atas,
last but one = nomor dua terakhir (sesuatu yg terletak pada urutan nomor dua terakhir)
Seperti contoh pemakaiannya pada kalimat nomor 2 di atas:
Is this the final candidate? ~ No, it's the last but one. (i.e. there are two more people to be interviewed)
Apakah ini calon yg terakhir? ~ Bukan, itu calon nomor dua terakhir. (artinya, masih ada dua calon lagi yg akan diwawancarai, yaitu calon yg nomor dua terakhir tsb dan calon yg terakhir).
Jadi,
last but one = (orang/benda) pada urutan nomor dua terakhir
Selanjutnya, berdasarkan rujukan di atas,
pick = benang atau untaian benang