您要查找的是不是：
- jump if not below 不小于则转移指令
- jump if not below or equal 不小于或等于则转移指令
- A kangaroo could not jump if its tail is off land. 如果尾巴离开地面;代数就不能跳.
- Silk dresses are easy to crumple up if not carefully handled. 真丝衣服若不能正确处理，很容易起皱。
- The present situation is nothing if not fine. 现在的形势好极了。
- The holiday was nothing if not varied. 假日活动极其丰富多彩。
- Can you jump over the hedge? If not, you must go round. 你能跳过这篱笆吗?如果不行，你就必须绕过去。
- The canal would soon fill up with mud if not regularly dredged. 这条运河如果不经常疏浚，就会淤塞。
- The court ordered the cost to be taxed if not agreed. 法院命令如果达不成协议诉讼费用由法院审定。
- She would not have escaped the danger, if not for my help. 要不是我帮忙，她就逃不过那一险。
- You'll be for the high jump if you get caught cheating. 如果你作弊被抓到，你将一定会受到严厉的惩罚。
- Tom will be for the high jump if he really stole the money. 假若真是汤姆偷的钱，他将受到严惩。
- The Lloyds building is nothing if not (ie is very) unusual. 劳埃德大楼别具一格。
- The excision, if not done in time, tends to complications. 如不及时切除，可能导致并发症。
- After take-off make a left circle (orbit). Over QX, set course not below 900m. 起飞后左转在QX上空盘旋一圈，入航高度不能低于900米。
- A kangaroo can't jump if its tail is off the ground. 袋鼠不能跳如果它的尾巴远离地面。
- When ICP is increased quickly to half level of BP no obvious change appears in EEG, if CPP is not below, 70-80 mmHg. 2.;急骤升高颅内压至血压的二分之一水平时，如脑灌注压不低于70-80毫米汞柱，脑电图士不出现明显异常。
- A kangaroo cannot jump if its tail is lifted off the ground. It needs its tail for pushing off. 如果袋鼠的尾巴离开地面，袋鼠就跳不起来。它要靠尾巴推动才能离开地面。
- Is she in? If not, could I speak to her sister? 她在吗?如果不在，我可以跟她姐妹说话吗?
- If you do well, you are accepted; if not, sin is a demon crouching at the door. 如果你做得好，你就会被接受的。反之，罪恶就会象个魔鬼潜伏在你的门前。
