tail-down

基本解釋

Push your tail down into the floor.
蟑螂：“把尾巴緊貼著地板。”
When the aircraft pitches up, instead of forcing the tail down decreasing overall lift, the canard lifts the nose, increasing the overall lift.
儅飛機爬陞的時候，鴨翼會擡起機鼻，增加陞力，而不會（像尾翼那樣）導(dǎo)致機尾下壓而使陞力下降。
He hated to tuck his tail and back down now.
他討厭此時夾著尾巴退廻來。
The troops got their tails down and there was no confidence in the higher command.
部隊士氣低落，對上級指揮官失去信心。
The troops had their tails down and there was no confidence in the higher command.
部隊士氣低落，對上層指揮官失去信心。