adj. 形容词必要的；必然的
n. 名词必需品
It's necessary to eat healthy.
吃得健康是必要的。
Is it necessary to go?
有必要去吗？
Water is necessary for life.
水对生命是必要的。
Is this step necessary?
这一步必要吗？
It's necessary to study hard.
努力学习是必要的。
He deemed it necessary.
他认为这是必要的。
Is a visa necessary?
签证必要吗？
Exercise is necessary for health.
锻炼对健康是必要的。
It's necessary to rest.
休息是必要的。
Is this action necessary?
这个行动必要吗？
It's necessary to sleep well.
睡好觉是必要的。
He found it necessary.
他发现这是必要的。
Is insurance necessary?
保险必要吗？
It's necessary to save money.
存钱是必要的。
Is it necessary to wait?
有必要等吗？
It's necessary to plan ahead.
提前计划是必要的。
Are these rules necessary?
这些规则必要吗？
It's necessary to stay calm.
保持冷静是必要的。
Is it necessary to ask?
有必要问吗？
It's necessary to be honest.
诚实是必要的。
Are these documents necessary?
这些文件必要吗？
It's necessary to be punctual.
准时是必要的。
Is it necessary to sign?
有必要签字吗？
It's necessary to be careful.
小心是必要的。
Are these measures necessary?
这些措施必要吗？
It's necessary to pay attention.
注意是必要的。
Is it necessary to leave?
有必要离开吗？
It's necessary to follow rules.
遵守规则是必要的。
Are these tests necessary?
这些测试必要吗？
It's necessary to act now.
现在行动是必要的。
He is my worst enemy.
他是我最糟糕的敌人。
He wants to acquire new skills.
他想获得新技能。
We went sightseeing in Paris.
我们去巴黎 观光 了。
I love to cook.
我喜欢做饭。
Our houses are quite similar in design.
我们的房子在设计上非常相似。
The kids are playing in the yard.
孩子们在院子里玩耍。
The wind began to bluster fiercely.
风开始猛烈地咆哮。
She has such a beautiful smile.
她有如此美丽的笑容。
Let's begin the meeting now.
让我们现在开始会议。
The lake froze over with a thick layer of ice.
湖面结了一层厚厚的冰。
She wants to get rid of the old furniture.
她想要摆脱旧家具。
Please enclose the payment receipt.
请附上付款收据。
The sky was covered in thick clouds, making it look grey.
天空被厚厚的云层覆盖，显得灰色。
Don't let failure discourage you.
不要让失败使你气馁。
The automobile industry is booming this year.
今年汽车行业蓬勃发展。
The editor is very efficient.
编辑非常高效。
She has great patience with children.
她对孩子们有很大的耐心。
He is liable for any damages caused.
他有责任赔偿任何造成的损失。
The contract will bind both parties to their obligations.
合同将约束双方履行他们的义务。
She has been crazy about dancing since she was a little girl.
她从小就对跳舞着迷。
