tail down angle 擦地角
tail-down attitude 机尾下沉姿态
get one's tail down 害怕 ; 失去勇气
tail-down bumper 尾部保护座
tail-down condition 自动上仰飞行情况
hold the tail down 保持机尾下沉
tail down during tide 涨潮时艉指下游
tail down 尾下倾
tail-down angle 后坐角
get the tail down 意气消沉
As this third pulse approaches the tail of the second one it will also slow down (because the speed of light in the glass it is passing through has been reduced by the second pulse's passage).
随着第三个脉冲接触到第二个脉冲的尾部，它的速度也同样被减慢(因为其穿越的玻璃中的光速已经被第二个脉冲的穿越而减慢)。
The Mouse was trembling down to the end of his tail.
老鼠连尾巴尖都在发抖。
He moved down the spine toward the tail, probing around each vertebra with the handle of his brush.
他拿着刷子，移向尾部脊椎，细细摸索。
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