noun🔗Share拉德，辐射吸收剂量单位。 A non-SI unit of absorbed dose of radiation, equal to 0.01 gray."The patient received a dose of five rad of radiation during the X-ray procedure. "那位病人在X光检查过程中接受了五拉德的辐射剂量。medicinephysicsenergyunitscienceChat with AIVocabulary GamePractice Reading
noun🔗Share弧度 In the International System of Units, the derived unit of plane angular measure of angle equal to the angle subtended at the centre of a circle by an arc of its circumference equal in length to the radius of the circle. Symbol: rad"The surveyor measured the angle of the land slope as 0.5 rad. "测量员测得这块土地的坡度角为0.5弧度。mathphysicsunitChat with AIVocabulary GamePractice Reading
noun🔗Share辐射体，放射源。 Anything which radiates or emits rays."The scientist carefully measured the energy emitted by the rad to understand its radioactive decay. "科学家仔细测量了辐射源发出的能量，以了解它的放射性衰变。energyphysicsscienceChat with AIVocabulary GamePractice Reading
noun🔗Share散热器，散热片。 A device that lowers engine coolant temperature by conducting heat to the air, through metal fins."The mechanic checked the rad for leaks after noticing the car was overheating. "技工在注意到汽车过热后，检查了散热器是否有泄漏。vehiclemachinedevicetechnicalpartChat with AIVocabulary GamePractice Reading
noun🔗Share暖气片，散热器 (of buildings) A finned metal fixture that carries hot water or steam in order to heat a room."During the winter, the rad in our classroom kept us warm by radiating heat. "冬天的时候，我们教室里的暖气片通过散发热量，让我们感到温暖。architecturebuildingChat with AIVocabulary GamePractice Reading
noun🔗Share辐射器，天线。 A type of antenna."The technician installed a new rad on the roof to improve the radio signal for the school's wireless network. "技术员在屋顶上安装了一个新的辐射器天线，以改善学校无线网络的无线电信号。technologyelectronicscommunicationdevicemachineChat with AIVocabulary GamePractice Reading
adjective🔗Share激进的，根本的. Favoring fundamental change, or change at the root cause of a matter."His beliefs are radical."他的信念非常激进，主张从根本上改变现状。politicsattitudephilosophysocietyChat with AIVocabulary GamePractice Reading
adjective🔗Share根的，根状的 Pertaining to a root (of a plant)."The botanist carefully examined the rad of the dandelion plant. "植物学家仔细检查了蒲公英的根部。plantbiologyagricultureChat with AIVocabulary GamePractice Reading
adjective🔗Share根本的，基础的。 Pertaining to the basic or intrinsic nature of something."The rad reason the company values teamwork is to foster innovation. "公司重视团队合作的根本原因是为了促进创新。naturequalityChat with AIVocabulary GamePractice Reading
adjective🔗Share彻底，根本的 Thoroughgoing; far-reaching."The spread of the cancer required radical surgery, and the entire organ was removed."癌细胞扩散需要彻底的手术，整个器官都被切除了。qualitystyleChat with AIVocabulary GamePractice Reading
adjective🔗Share词根的，词源的。 Of or pertaining to the root of a word."The rad morpheme "-port-" in the words "import," "export," and "transport" carries the core meaning of "carry" or "bear." "“import”、“export”和“transport”这些词中的词根“-port-”都带有“携带”或“搬运”的核心含义。grammarlanguagelinguisticswordChat with AIVocabulary GamePractice Reading
adjective🔗Share舌根音的 (of a sound) Produced using the root of the tongue."The singer's voice had a rad quality, produced by the way her tongue vibrated at the root. "这位歌手的声音有一种舌根音的特质，这是因为她的舌根震动的方式产生的。phoneticslanguagesoundlinguisticsChat with AIVocabulary GamePractice Reading
adjective🔗Share自由基的，游离基的 Involving free radicals."The antioxidant cream is designed to protect your skin from rad damage caused by pollution. "这款抗氧化面霜旨在保护您的皮肤免受污染造成的自由基损伤.chemistrybiochemistryChat with AIVocabulary GamePractice Reading
adjective🔗Share根式的, 基数的。 Relating to a radix or mathematical root."a radical quantity; a radical sign"一个根式量；一个根号mathChat with AIVocabulary GamePractice Reading
adjective🔗Share酷, 棒 (1980s & 1990s) Excellent; awesome."That was a radical jump!"那次跳跃真是酷毙了！culturelanguagestyleChat with AIVocabulary GamePractice Reading
noun🔗Share表尺距离，照尺距离 The distance between the front and rear sights of a firearm."The longer the rad of the rifle, the more accurate a marksman can typically be. "步枪的表尺距离越长，射击手通常就能打得越准。weaponmilitarytechnicalChat with AIVocabulary GamePractice Reading
