我来自中国：I come from China。
come词义解析：
1、（向或跟随说话人）来，过来
There's a bus coming!来了辆公交车！
2、（向受话人方向）来
I'll come and pick you up in the car if you like.要是你愿意，我开车来接你。
3、to get to a particular place来到，抵达
Has she come yet?她来了没有？
4、赶走（某人），撵走（某人）
I had to come away from the party early.我不得不早早离开聚会。
5、改变位置；变成，成为
Those pictures will have to come down (= be removed from the wall).那些画都得（从墙上）拿下来。
6、发生
Spring has come early.春天来得早。
7、位列…之后／第一／最后等
She came second (us came in second) in the 100 metres.她在百米赛跑中得了第二。
8、存在，有；可得到，有供应
Do these trousers come in any other size?这些裤子有别的尺码吗？
扩展资料
I come from China用于回答where are you from
例句：1、Nice to meet you, Molly. So, where are you from?
很高兴见到你，莫莉。你从哪里来呢？
2、But the way you talk, where are you from?
你刚才说你是哪里人来着？
3、Where are you from, may I ask?
我可以问一下你们是哪儿的人吗？
4、Where are you from? I'm from Italian.
你是哪国人？我是意大利人。