您要查找的是不是：
- His claim to ownership is invalid. 他的所有权是无效的。
- A passport that is out of date is invalid. 护照过期是无效的。
- invalid tricycle 伤残人手摇三轮车
- His father is a bed-ridden invalid. 他父亲是个缠绵病榻的人。
- He has been an invalid all his life. 他终身残废。
- The invalid gained colour under the doctor's care. 病人在医生的治疗下，脸色逐浙红润。
- The invalid lay propped on the pillows. 那病弱者倚靠在枕头上。
- Our son has just graduated from a tricycle to a proper bicycle. 我们的儿子刚刚从骑三轮自行车过渡到骑普通自行车了。
- The girl spent all her spare time to look after her invalid mother. 这个女孩把她所有的业余时间都用来照顾长期生病的母亲。
- A defect in a legal document that can render it invalid. 破绽，失效可能导致其无效的法律文件的漏洞
- The boy pedaled away on his tricycle . 那个男孩踩着他的三轮脚踏车走了。
- The invalid reached for the glass but could not get it. 病人伸手去拿水杯，但是够不着。
- A little boy rode by on a tricycle. 一个小男孩骑着三轮车过去了。
- The poor little fellow fell off his tricycle. 这可怜的小家伙从他的三轮童车上摔下来了。
- The invalid found solace in music. 那病人从音乐中得到安慰。
- When unemployed,I went to drive a tricycle. 我失业的时候就去拉三轮车。
- The invalid is gathering strength. 病人的体力正在逐渐恢复。
- The little girl abandoned her tricycle. 那个小女孩丢弃了她的三轮车。
- He was taken to the hospital with a tricycle. 用三轮车把他送到了医院。
- This ticket has passed its expiration date, and so it is now invalid. 这张票已过了有效期，现在作废了。
