Sprinkler systems must be installed if a company employs more than 25 people.
如果公司雇员超过25人，就要必须安装自动喷水灭火系统。
Thousands of deaths and other casualties are expected if a 9.0 earthquake were to occur.
如果发生9.0级地震，预计将有数千人死亡和其他伤亡。
Right, bigger frogs have deeper voices, so if a smaller frog can imitate that deep voice.
是的，大青蛙的声音更低沉，所以如果小青蛙能模仿那种低沉的声音。
For example, if a student smiles at Bill, he responds by smiling back.
例如，如果一个学生对比尔微笑，他也以微笑回应。
How much wood would a woodchuck chuck if a woodchuck could chuck wood?
如果土拨鼠会扔木头，一只土拨鼠能扔多少木头?
A tenant may have a right of first refusal if a property is offered for sale.
如果房产要出售，房客可以有优先购买权。
If a spacecraft travels faster than 11 km a second, it escapes the Earth's gravitational pull.
如果一架宇宙飞船飞行超过每秒11公里，它就能摆脱地球引力。
If a tranquilizer is prescribed, be sure your physician informs you of its possible side effects, such as addiction.
如果开了镇静剂，一定要让医生告诉你它可能带来的副作用，例如上瘾。
Users need to find out if a domain name is already registered or is still available.
用户需要查明某个域名是已经被注册过还是仍然可用。
If a woman makes a decision to have a child alone, she should bear that responsibility alone.
如果一名女子决定独自养育小孩，她就必须独自承担这一责任。
What happens if a cuttlefish meets its enemy?
如果墨鱼遇到它的敌人会怎样？
If a product is harmful to people's health, it should be withdrawn from sale immediately.
如果一个产品对人们的健康有害，应当立即停止销售这一产品。
If a man was dead sober, I reckon maybe that whack might fetch him; I dono.
如果一个人是绝对的清醒，我想那一击也许会要了他的命；我也说不准。
If a mom faces deadly threats on her child, she will fight angrily like a bear.
如果一个妈妈面对使她孩子致命的威胁，她会像一只熊一样愤怒搏斗。
If a building is well constructed and built on solid ground, it will resist an earthquake.
如果一座建筑构建良好，并且地基坚实，它就能抵抗地震。
If a spider spreads its web, the sun will shine tomorrow.
蜘蛛张了网，必定大太阳。
If a class is graded on a curve, cheating hurts others' grades.
如果一个班级是按照正态评分的，作弊会影响其他人的成绩。
"And I," said the mother, "I feel so uneasy, as if a heavy thunderstorm were coming."
“而我，”母亲说，“我感到很不安，好像一场大雷雨就要来了。”
Their mood changed as if a foreigner with a different color of skin had walked in.
他们的神情变了，就好比是一个肤色不同的外国人走了进来。
If a giant booger monster couldn't kill you, what's a breath of fresh air gonna do?
如果一个巨大的鼻屎怪物都杀不了你，吸一口新鲜空气有什么用？
If a family member or a pet is caught inside, you shouldn't go back in.
如果家庭成员或宠物被困在里面，你不应该再进去。
What if a garden is built in the school?
如果在学校里建一个花园，将会怎么样呢？
If a thin person eats a lot, I'll follow suit.
如果一个瘦的人吃很多，我就会跟着吃很多。
If a car hits you, you should remember the car number.
如果你被车撞了，你应该记住车牌号。
If a woman felt lonely, she expressed her lonely feelings directly.
如果一个女人感到孤独，她会直接表达她的孤独。
If a small thing goes into your eye, don't rub it.
如果一个小东西进了你的眼睛，不要揉它。
If a tornado gets close, what should people do to keep safe?
如果龙卷风要来了，人们应该做些什么来保证安全？
What should children do if a stranger calls while the parents are out?
父母不在家时，如果陌生人打来电话，孩子应该怎么做？
If a person is hit by lightning, you should call for emergency help.
如果有人被闪电击中，你应该呼叫紧急救援。
If a man felt lonely, he used more words to show his fears.
如果一个人感到孤独，他会用更多的语言来表达他的恐惧。
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