单词	big otter r
释义	big otter r. 大水獭河
随便看	periodic chain periodic change Periodic Change of e-Tax Password periodic changes periodic character Periodic characteristic periodic characteristics periodic charge periodic chart periodic check periodic check up periodic check-up Periodic checkups periodic chemical deactivation periodic chemical reaction periodic chirp Periodic chirp pulse periodic cicada periodic cipher periodic circuit periodic circular function periodic classification periodic clean periodic cleaning periodic coagulation