1. I love to hear the boys pipe up in church. 我爱听男孩们在教堂里歌唱。
2. What did you say? Pipe up at the back there. 刚才你说了些什么？从那儿开始说起。
3. Then almost inevitably a man would pipe up with the same observation “and everybody thinks it’s brilliant and you are so mad at yourself.” 然后，几乎是不可避免地，一个男士会讲出同样地话“人人都认为太棒了，这时就会懊恼自己”。
4. The bottom of the body designed no concave nest. So have lower flowing resistance and prevent valves leakage or damage from trash pipe up. 阀体底部设计无凹槽，球阀因此具有流阻小，阀体防止污物堆积造成阀门渗漏或损坏等特点。
5. My mother, her hair buzz-cut a half centimeter all over, hadn't been in our house for more than five minutes when Raylou decided to pipe up. 我的母亲满头头发不过半厘米，在蕾露开始欢迎她后不到五分钟，她就在屋里呆不住了。
