蚀镂

" Scrimshaw: Decoration of bone or ivory objects, such as whale's teeth and walrus tusks, with fanciful designs, traditionally carved by Anglo-American and Native American whale fishermen with a jackknife or sail needle and emphasized with black pigments (e.g., lampblack)."

贝雕：骨或象牙装饰品，如鲸鱼牙或海象牙，通常刻有奇怪的图案。传统上由英裔美国人或美国本土捕鲸员用折叠刀或帆针刻出画面，然后用黑色进行蚀镂。

" Scrimshaw: Decoration of bone or ivory objects, such as whale's teeth and walrus tusks, with fanciful designs, traditionally carved by Anglo-American and Native American whale fishermen with a jackknife or sail needle and emphasized with black pigment s (e.g., lampblack)."

贝雕：骨或象牙装饰品，如鲸鱼牙或海象牙，通常刻有奇怪的图案。传统上由英裔美国人或美国本土捕鲸员用折叠刀或帆针刻出画面，然后用黑色进行蚀镂。

" Scrimshaw: Decoration of bone or ivory objects, such as whale's teeth and walrus tusks, with fanciful designs, traditionally carved by Anglo-American and Native American whale fishermen with a jackknife or sail needle and emphasize d with black pigments (e.g., lampblack)."

贝雕：骨或象牙装饰品，如鲸鱼牙或海象牙，通常刻有奇怪的图案。传统上由英裔美国人或美国本土捕鲸员用折叠刀或帆针刻出画面，然后用黑色进行蚀镂。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。