Coeruleum methylenum
[医] 亚甲蓝, 甲烯蓝, 美蓝
🗣️ 情景例句
She has a high reputation as a writer.
她是个有名气的作家。
It is not polite to eavesdrop on the conversation of other people.
偷听他人说话是很不礼貌的。
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%。