B2 noun /ˈkɪdni/ Kidney riñón Meaning either of a pair of organs that filter waste products from the blood and produce urine Example Drinking plenty of water helps keep your kidneys healthy. Beber suficiente agua ayuda a mantener los riñones saludables.
B2 noun /nɒt/ Knot nudo Meaning a fastening made by tying a piece of string, rope, or something similar; a hard mass in wood Example The sailor tied a secure knot to anchor the boat safely. El marinero ató un nudo seguro para anclar el barco de manera segura.
B2 noun /ˈkɪlɪŋ/ killing asesinato Meaning the act of causing death, especially deliberately Example The movie depicts the brutal killing of the villagers. La película muestra el brutal asesinato de los aldeanos.
B2 noun /ˈkiː.pər/ Keeper guardián; cuidador; Meaning a person whose job it is to guard or take care of something or someone; a goalkeeper Example The zoo keeper fed the animals every morning at eight o'clock. El cuidador del zoológico alimentaba a los animales todas las mañanas a las ocho en punto.
B2 verb /nɪt/ knit tejer Meaning To make clothes or fabric by interlocking loops of yarn with needles. Example She loves to knit scarves for her friends during the winter. A ella le encanta tejer bufandas para sus amigos durante el invierno.
B2 noun /ˈkiːɒsk/ kiosk quiosco Meaning A small, open-fronted hut or cubicle from which newspapers, refreshments, tickets, etc., are sold. Example She bought a bottle of water from the kiosk near the station. Compró una botella de agua en el quiosco cerca de la estación.
B2 adjective /ˌkaɪnd ˈhɑːrtɪd/ kind-hearted amable Meaning Having a kind and generous nature; showing compassion and care for others. Example She is known as a kind-hearted teacher who always helps her students. Es conocida como una maestra amable que siempre ayuda a sus estudiantes.
B2 verb /niːl/ kneel arrodillarse Meaning to go down on one's knees; to rest on the knees Example The knight knelt before the king. El caballero se arrodilló ante el rey.
B2 adjective /ˈnoʊ.ɪŋ/ Knowing conocimiento; perceptivo; astuto; Meaning showing awareness or understanding; perceptive; shrewd Example She gave him a knowing smile when he mentioned the secret. Ella le dio una sonrisa comprensiva cuando mencionó el secreto.
B2 adjective /ˈnɑː.lɪ.dʒə.bəl/ Knowledgeable sabio; informado; educado Meaning having extensive knowledge; well-informed; educated Example She is very knowledgeable about ancient history. Ella es muy sabia sobre la historia antigua.
B2 noun /ˈker.ə.siːn/ Kerosene queroseno Meaning a combustible hydrocarbon liquid widely used as a fuel in lamps and heating systems Example The old lamp burned kerosene to provide light during power outages. La vieja lámpara quemaba queroseno para proporcionar luz durante los cortes de energía.
B2 verb /ˈkɪdnæp/ kidnap secuestrar Meaning to take someone away illegally by force Example The criminals kidnapped the wealthy businessman. Los criminales secuestraron al rico empresario.