The fundamental unit of electric current in the International System of Units (SI), which is defined by the force that occurs between two infinitely long parallel conductors placed one meter apart when an electric current passes through them.
A measure of the strength of an electrical current, where one ampere corresponds to a flow of electric charge equivalent to one coulomb per second.
A unit of measure named after the French physicist André-Marie Ampère, used to quantify the rate of flow of electric charge in a circuit.
北天に位置しWまたはMの形をした星座で、五つの明るい星から構成され、冬の夜空で特によく見える。
ギリシャ神話に登場する美しい女王の名に由来し、その星座は彼女の王冠や椅子を象徴しているとされる。
北極星を探すための案内として利用され、北半球の星座観察に重要な役割を果たす。
An additional item held in reserve, intended for use when the original is unavailable or damaged, such as a spare tire or spare ink.
In bowling, the action of knocking down all remaining pins on the second roll after failing to knock them all down on the first roll.
A supplemental tire designed to replace a flat or damaged tire on a vehicle, typically used temporarily until the original tire can be repaired or replaced.
An extra tire intended for emergencies, ensuring that a vehicle can continue to operate despite a tire failure.
A compact or lightweight tire stored in a vehicle for quick access during unforeseen circumstances, often taking up less space than regular tires.
A provision in automotive design for maintaining mobility when one of the primary tires becomes unusable, reflecting a safety measure for drivers.
A cut of pork that includes the rib bones and attached meat, known for its tenderness and rich flavor, commonly used in various cooking methods such as braising, roasting, or barbecuing.
Pork belly that is served with the bones still attached, characterized by a high proportion of lean meat and often cooked in ways that enhance its juiciness and taste.
A flavorful section of pork that consists of ribs and surrounding meat, typically prepared through slow cooking or grilling, providing a satisfying texture and robust flavor.