手掌向下

In his right hand, which lay with the palm downwards, a wax candle had been thrust between the thumb and forefinger, and an old servant bending down over the chair held it in it.

右手手掌向下，大拇指和食指之间插着一根蜡烛，一名老仆从伏尔泰椅后面弯下腰去，用手扶着那根蜡烛。

It is essential to avoid such excessive pronation of the forearm.

避免过度地使前臂手掌向下是很重要的。

Because the two bones are in their central position, they can move into pronation or supination quite comfortably.

因为这两骨处于他们的中心位置，他们可以相当舒服地将手掌向下或向上移动。

Therefore we must bring the hand into a horizontal position with its palm down; this is done by pronation.

所以我们必须将手掌向下使手掌处于一个水平位置；只要将手掌向下就行了。

Raise your upper arm slightly, and the extreme tension caused by an excessive pronation will disappear.

轻轻举起你的上臂，由于手掌过度向下引起的肌肉极度绷紧张力将会消失。

The fingers should be slightly raised before playing, and both pronation and supination will add distance from the keys to the finger that is about to play.

在弹奏之前，手指应稍微举起并且将两手掌向下旋转，这样会增加手指到的键的距离，即准备弹奏。

However when the upper arm is raised, the ulna and radius will be removed from their extreme position and relieved of tension, and the hand can assume its horizontal position without extreme pronation.

然而，当上臂举起时，尺骨和桡骨就会避开不适度的位置，就能解除肌肉绷紧张力，在不使手掌极度向下的情况下，手臂可以采取水平位置。

When the arm is rolled over to the fifth finger, the thumb will be raised and ready for its turn to be thrown by pronation.

当手臂翻转到小指一侧时，拇指就要举起并且准备将手掌向下将其"投掷"触键。

Of the ten ways,"buckle" represents that the palm is downward while the back of hand is upward facilitating caramelization inside the tea.

如其中的&扣&即是手掌向下内陷，手背向上隆起，促使茶叶内部焦糖化加剧。

I suspect (but can't tell without high-speed video) that he pronates hard through release to get the great sink he does on his fastball/changeup combinations, and I also think his slider is safer than most for the same reason.

我有点怀疑王建民出手时手掌用力向下（但这要靠高速影片才能分析），藉此让快速球或变速球获得极佳的下沈幅度。同样的理由，我认为他的滑球会比较「安全」。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。