He visited his parents at irregular intervals.(他不定期地看望父母。)
What are the principal irregular verbs?(最重要的不规则动词有哪些？)
We have John standing by the time clock, and he swears he saw nothing irregular.(我们让约翰站在考勤钟旁边，他发誓他没看到任何异常情况。)
Irregular application of sunscreen does women more harm than good.(不规律地涂抹防晒霜对女性弊大于利。)
Services were irregular across authorities.(各部门的服务都不正常。)
Equally perplexing constituents of Allende are the refractory inclusions: irregular white masses that tend to be larger than chondrules.(阿连德陨石中同样令人困惑的成分是那些耐高温的内部物质：往往比陨石球粒要大的不规则白色块状物。)
Regular or irregular?(规则还是不规则？)
The speaking voice, by contrast, is something idiosyncratic, irregular, particular.(相反地，说话的声音是与众不同的，不规律的，特别的。)
Paracortical areas expanded with moderate size lymphoma cells with clear cytoplasm and irregular nuclei.(副皮质区随着中等大小的胞质清、核不规则的淋巴瘤细胞而扩大。)
She was taken to a hospital suffering from an irregular heartbeat.(她因心律不齐而被送进医院。)
