英汉双语例句-生物医药大词典

If there is water, it would probably have been deposited when comets, which are comprised largely of ice, collided with the moon over billions of years.

中文意思：
科学家一直认为，月球上如果存在水，那应该是过去数十亿年中由冰构成的彗星坠落在月球所沉积下来的。

以下为相关句子列表(点击查看，可以看对应的解释）：

	If there is some quality problem in the finished products or the production schedule must be changed , the Operation Department should notify the Storage Department to change the sailing date five days before.			如有大货验收有问题或生产进度有变，业务部应在船期前五天通知储运部退舱或改定别的船期。
	If there is something wrong in my speech, please don't hesitate to put me right.			如果我的讲话有什么错误，请随时打断并纠正我。
	If there is something you have been judging yourself for, doubting yourself, making yourself wrong, feeling a failure or feeling guilty about, think of that now.			若有某件事你自己曾经评断过、你怀疑你自己、认为你是错的或是感到失败或是罪恶感，现在找出这件事来。
	If there is the least doubt as to the sterility of the drapes or the surgeon when draping is complete, the entire process should be repeated.			铺单过程结束时，只要外科医生或无菌单的无菌状况有—丝可疑，都应重新进行铺单。
	If there is unused land or businesses that are not running, they can begin to serve the whole and provide for all concerned.			如果有闲置的土地或生意，它们就该为整体服务、为所有相关人士提供。
	If there is water, it would probably have been deposited when comets, which are comprised largely of ice, collided with the moon over billions of years.			科学家一直认为，月球上如果存在水，那应该是过去数十亿年中由冰构成的彗星坠落在月球所沉积下来的。
	If there is water， it would probably have been deposited when comets， which are comprised largely of ice， collided with the moon over billions of years.			「参考译文」科学家一直认为，月球上如果存在水，那应该是过去数十亿年中由冰构成的彗星坠落在月球所沉积下来的。
	If there isn't a button visible, but you click where a button would be, a pop-up menu will be displayed.			如果那儿看不到一个按钮，但是当你点击有按钮的位置时，一个弹出菜单就会出现。
	If there occurs an economic recession, the consequences will be disastrous.			一旦经济衰退就会有灾难性后果。
	If there really is a God who created the entire universe, and He decides to deliver a message to humanity, He will not use, as His messenger, a person on cable TV with a bad hairstyle.			如果真的存在一位创造了整个宇宙的上帝,如果他决定给人类送个信,他肯定不会让一个发型难看的有线电视上的人当他的信使。
	If there was a cyclone they opened the small door in the middle of the floor and went down the ladder into the small dark hole.			如果有龙卷风，他们便打开地板中央的小门，并且走下楼梯，进入这个小而黑的洞。