Tìm kiếm
01
bán kính, bán kính
the length of a line segment between the center and circumference of a circle or sphere
02
r, chữ r
the 18th letter of the Roman alphabet
03
roentgen, đơn vị phơi nhiễm bức xạ
a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
04
R (hằng số vũ trụ), R (trong phương trình khí)
(physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole
01
phân loại R, cần sự giám hộ cho người dưới 17 tuổi
describing a motion picture that people under the age of 17 need a guardian or parent in order to watch it
r
n
Ví dụ
The movie was rated R for its dirty language and explicit scenes.
The circumference of a semicircle is C = π * r, showcasing the presence of pi in geometric calculations.
He used his vacation as a time for R and R, enjoying the outdoors and taking long naps.
He used his vacation as a time for R and R, enjoying the outdoors and taking long naps.
Language learners may spend time practicing the skill of rolling 'r' sounds to achieve accurate pronunciation in various languages.
