noreen_新浪博客 ... Caution is the parent of safety. 谨慎小心是安全之源。 Chains of gold are stronger than chains of iron. 金链锁人比铁炼更牢靠。 Change lays not her hand upon truth. 真理不变 ...
双语例句
1
Fan gear mainly by the box, planetary gear speed changemechanism, and so on.