动物实验(animal-experiment)

SPF动物（Special pathogen free animal）

悉生动物（gnotobiotic animal，GN）

无菌动物（Germ-Free Animal,GF）

土壤动物孔道 soil animal passage

【参考范例二】Animals or Pets What is your favourite animal?

Intelligent animals change their behavior _____ the demands of the situation or environment.

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。