yī / shēng / tōng / guò / péi / yǎng / jiǎn / chá / què / rèn / le / huàn / zhě / gǎn / rǎn / de / qiú / jūn医生通过培养检查确认了患者感染的球菌。The doctor confirmed the coccus infecting the patient through a culture test.