Testudinal
a. 龟的, 龟甲状的, 如龟的
🗣️ 情景例句
so that each one would be a part of it.
好让每个人都成为它的一部分。
Nothing is impossible to willing mind (or heart).
有志者事竟成。
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%。