Box beam
匣形梁，箱形梁
🧩 词语组成解析
box
[bɑks]
n. 盒;箱状物;包厢;哨房;
vt. 把…装入盒[箱，匣]中;
vt.& vi. 拳击;
beam
[bim]
n. 梁，栋梁;束;光线;（电波的）波束;
vi. 发出光与热;面露喜色;
vt. 播送;以梁支撑;用…照射;流露;
vt.& vi. 笑容满面，眉开眼笑;发射电波，播送;放出束状的光（或热）;
🗣️ 情景例句
You must have the wrong number.
你一定打错电话了。
The milkman hopes the cows have plenty of milk every morning.
挤牛奶的人希望每天清晨都能得到大量牛奶。
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%。