carat

n.

（宝石的重量单位）克拉；，（金子）开（以纯金为24开表示金含量的单位）；=karat；

复数：carats

1. You can shop for 24 carat gold jewelry.
   你可以选购24克拉的金首饰。
2. Stones jump in price at the carat mark.
   一克拉以上和一克拉以下钻石的价钱差别很大。

Ludwig Mond Lecture. High-carat gold compounds
Au32: a 24-carat golden fullerene
Predictors and outcomes of intraprocedural rupture in patients treated for ruptured intracranial aneurysms: the CARAT study
CARAT: A novel method for allelic detection of DNA copy number changes using high density oligonucleotide arrays
Coronary angioplasty and Rotablator atherectomy trial (CARAT): immediate and late results of a prospective multicenter randomized tr...
Carat: collaborative energy diagnosis for mobile devices
Au 32 : A 24-Carat Golden Fullerene †
Designed delays versus rigorous pragmatic trials: lower carat gold standards can produce relevant drug evaluations.
Au32: A 24-Carat Golden Fullerene (p 2678-2681)
Identification of plasmids by PCR-based replicon typing