make oneself familiar with 同义词

1 精通

perfect proficient adept learned versed mastership master good at good in have a good command of have a great command of know wayround at fingertips

2 熟习

habituate

相关词

caliber calorifier calf callable calibrated calycanthemy calorescences caller callback calkin calloused calligrapher callaloo calycanthemies camerawork calendar callipers calculi caliche callet calligraphy called callipygian callithumps calyptrogen calibrate calliopsis calibre calibrating camoufleur