Wild wood should be well protect from excessive hag.野生森林应该被保护以免过量砍伐.For use with backflow preventer test cocks to protect from damage.用于防回流阀测试旋塞,防止受到破坏.The sheep jammed together to protect from the cold.这些绵羊为了御寒紧紧地挤在了一起....
...Mike Morley, the producer of Central Television's Dennis Nilsen documentary.迈克·摩利，中央电视台播出的丹尼斯·尼尔森纪录片的制片人This case lacked documentary proof.本案缺少书面证据。The documentary opens tomorrow in movie theaters nationwide.这部纪录...
这个圆筒的体积有多少?What's the volume of this cylinder?通常平动和转动同时发生, 例如,圆筒的滚动.Often translation and rotation occur simultaneously, as in the case of a rolling drum.空气的分子会撞击圆筒的整个筒壁和上下两端.The molecules of air would bombard all s...