单词	送气管
释义	送气管 snorkel
随便看	primary cytomegalovirus infection primary damage primary dark space primary data primary database primary data base manager primary data management system primary data set group primary data structure primary demultiplexer primary demyelinating disorder primary demyelination primary data type Primary Data Users Station primary date primary datum primary dealer primary dealers Primary debt primary debtor primary deck covering primary decomposition Primary deep venous insufficiency primary deep venous valve insufficiency primary defense system