英汉双语例句-生物医药大词典

When not used in hitchhiking, the thumbs-up gesture in America culture typically indicates approval, while the thumbs-down indicates disapproval.

中文意思：
在美国文化中，如果不是为了搭便车，拇指朝上的手势主要是用来表示赞同，而拇指朝下的手势则表示不赞同。

以下为相关句子列表(点击查看，可以看对应的解释）：

	When none of the sliding gears is in mesh with its countershaft gear, the gears are said to be in “neutral.			如果没有变速齿轮组与副传动轴上的齿轮啮合，这时，就叫做空挡。
	When not connected to the filling rack, cylinders must be capped and secured against falling.			气瓶未连接到充气排前，必须戴瓶帽、且要固定以防倒瓶。
	When not needed for fingerprint recognition, the rod can be used to scroll pages up and down the screen.			不需要指纹辨识的时候，这根短杆可以用来卷动萤幕的页面。
	When not playing vibrato, use the palm of your right hand to work the key.			（当不演奏（手）振音时，用你的右手手掌操作钥匙（推杆）。）
	When not theorizing about gravity, he defies it by rock climbing.			当他不用理论来研究重力的时候，便以攀岩来挑战重力。
	When not used in hitchhiking, the thumbs-up gesture in America culture typically indicates approval, while the thumbs-down indicates disapproval.			在美国文化中，如果不是为了搭便车，拇指朝上的手势主要是用来表示赞同，而拇指朝下的手势则表示不赞同。
	When not writing or doing other work, he can be found on his Trek road bicycle riding the highways of New England and working on and playing with his Hummer.			当他不写作也不做其它工作是，他在新英格兰的高速公路上骑车并逗他的蜂鸟玩。
	When nutrients have been depleted, addition of adequate fertilizers can reverse the trend of soil organic matter depletion.			养分耗竭后，施用足量肥料能逆转土壤有机质耗竭的趋势。
	When objects are placed up against the sensor, the robot fires off(9) a beam of infrared light.			当物品被放在传感器前面，机器人就放射一缕红外线。
	When off, transparency rays simply fade to black.			关闭时，透过光直接消退为黑色。
	When officials rejected her ballot, Burnham took her case to the Court of Common Pleas and petitioned for her right to vote on the grounds that she met the legal definition of a freemanand a citizen of the United States.			当负责人员拒绝接受她的选票时，伯恩罕向中级法院提起诉讼，并且根据她符合自由人与美国公民的身份，要求享有投票的权利。