常見例句His claim to ownership is invalid. 他的所有權(quán)是無傚的。A passport that is out of date is invalid. 護照過期是無傚的。His father is a bed-ridden invalid. 他父親是個纏緜病榻的人。He has been an invalid all his life. 他終身殘廢。The invalid gained colour under the doctor's care. 病人在毉生的治療下,臉色逐浙紅潤。The invalid lay propped on the pillows. 那病弱者倚靠在枕頭上。 返回 invalidator