如果你想养条狗，有话说在前头，那可既费时间又费钱。
If you're thinking of getting a dog, be warned —they take a lot of time and money.
如果你喜欢周日散步，就走换条路走吧。
如果每次发牌都是我赢的话，我将以一条哥伦比亚的领带而告终。
If I'm the one winning every time I deal, I'll end up with a Colombian necktie.
如果你真的放大太阳光的光谱，你可以分辨出多达10万条的光谱线。
If you really magnify the spectrum of the sunlight, you could identify more than 100,000 of them.
一项新研究得出的结论是，如果你是一条巨蟒的话，脂肪对心脏是有好处的。
Fat does a heart good, if you're a python, a new study says.
希刺克厉夫，如果我是你，我就直挺挺地躺在她的坟上，像条忠实的狗一样死去。
Heathcliff, if I were you, I'd go stretch myself over her grave and die like a faithful dog.
如果你用石头挡住蚂蚁的去路，它会不停地绕道、从上面越过、从底下或从顶部走，直到它找到一条通向目的地的路。
If you put a stone in the way of an ant, it will go around, over, under or on top, without stopping, until it finds a way to get where it needs to be.
如果你实在不喜欢那种冰的感觉，你可以穿着运动紧身衣或是运动裤、运动衫或者在上半身裹条毛巾，然后再钻进浴缸里。
If you really don't like the cold, it's fine to go in the tub wearing running tights or sweatpants and a sweatshirt or towel wrapped around your upper body.
通用电气公司正在推广智能电网，广告中有一个来自“绿野仙踪”的稻草人沿着一条旧电线蹦蹦跳跳并唱道“如果我有大脑”。
GE is promoting the smart grid with ads that show a scarecrow singing "If I only had a brain" from "The Wizard of Oz" while bouncing along an old power line.
考虑到我们待在教室里的时间，以及每天在教室里走动的鞋子的数量，如果我要提出一条“教室内不穿鞋”的规则，你可能会非常理解我。
Given the amount of time we spend in classrooms, and the number of shoes that pass through them every day, you may well understand me if I were to propose a no-shoes-in-the-classroom rule.
蜘蛛有8只眼睛，4对腿，如果它们失去一条腿，还能再长出一条新的腿。
Spiders have eight eyes, four pairs of legs, and can grow a new leg if they lose one.
如果我们把它们捆在一起，它们可能会支撑一条路。
If we tied up a bunch of them together, they might support a road.
如果你给一个人一条鱼，他可以吃上一天。
如果人们睡觉时身体笔直，两条手臂各放一侧，姿势就像站在白金汉宫的卫兵一样，这表示这个人性格执着顽固。
Sleeping with a straight body, with arms at each side, as if they are standing guard at Buckingham Palace, indicates stubbornness.
如果你打算走一条比较容易的森林步道，你也许要租辆自行车。
If you're planning on following one of the easier forest walks, you might like to hire a bicycle.
如果你不喜欢某条铁路，你不能离开去用另一条。
If you don't like a particular railway, you can't go and use another.
如果有人对短信革命的到来表示怀疑，那就想想看：据尼尔森公司的数据，13至17岁的人平均每月收发3339条短信——每天超过100条。
For anyone who doubts that the texting revolution is upon us, consider this: The average 13-to 17-year-old sends and receives 3,339 texts a month—more than 100 per day, according to the Nielsen Co.
例如，如果你去水下钓鱼，然后看到一条鲨鱼，你可能会有麻烦。
For example, say you went underwater-fishing and saw a shark, you could be in trouble.
如果卡森不是抓住了青年时期时的一个关键时刻，他很可能走上了一条自我毁灭的道路。
Carson was headed down a path of self-distraction until a critical moment in his youth.
如果你说你喜欢玉米煎饼，一条“塔克钟”的横幅广告就会出现在你的网页的顶端。
If you say you love burritos, a banner ad for Taco Bell might appear at the top of your page.
如果捕食者来了，40条鱼成为午餐的可能性比10条鱼小。
If a predator comes, a fish in a group of 40 is less possible to become lunch than a fish in a group of 10.
如果是这样的话，你已经遵守了一条规则。
如果我有一条船，我就可以在上面吃牛肉了。
如果杂货店中有三条队伍，延迟将在不同的队伍中随机发生。
If there are three lines in the store, delays will happen randomly at different registers.
如果一条鱼要在两个群体中选择，加入较大的群体会更安全。
If a fish has a choice between two groups, it's safer to join the larger one.
如果不是抓住了青年时期的一个关键时刻，卡森很可能走上一条自我毁灭的道路。
Carson was headed down a path of self-destruction until a critical moment in his youth.
如果接受了正确的训练，来自不同国家的飞行员都能理解身体信号。当你沿一条直线上下摆动手臂时，就表示“是”。
Pilots from different countries understand body signals if they have the correct training. When you wave your arms up and down in a straight line, it means "yes".
“两句也行，如果你愿意。”鱼回答。它碰巧是一条很有礼貌的海豚。
"Even two words, if you want," answered the fish, who happened to be a very polite Dolphin.
如果我们的一条染色体是由两条灵长类染色体融合而来的话，猜猜它能有点什么？
If one of our chromosomes was formed by the fusion of two primate chromosomes, you know what it would have?
如果你不能做到上面任何一条建议，那请务必遵守这一条。
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