Bc
[ 'bi:'si: ]
辅助 Assistant
abbr. birth control 计划生育;between centers 中心距;back course （返）回（航）程;back-cross 回交;
📝 例句
The tube ABC shown is cantilevered with AB and BC in a horizontal plan.
所示的管Abc是由位于同一水平面内的AB和bc组成的悬臂。
Soldiers of bad character were branded BC.
对品质恶劣的军人烙bc型烙
✅ 同义词
📖 牛津释义
BC
abbr 缩写 =
1 Before Christ 公元前: in (the year) 2000 BC 在公元前2000年. Cf 参看 AD.
2 British Council (a government-sponsored organization for the promotion of English language and culture in other countries) 英国文化协会.
🔁 扩展释义
公元前
🗣️ 情景例句
If you educate the public about dangerous diseases they can protect themselves, which will help to halt the spread.
如果你能教育公众如何来防治危险疾病，他们就能够保护好他们自己，从而阻止疾病的传播。
Make hay while the sun shines.
趁热打铁。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!
因此，从月球到地球的25万英里所消耗的能量要比从地球表面进入地球轨道的200英里所耗能量少97%。