Textbooks commonly denote shear stresses by the symbol and two subscripts.教科书通常用符号和两个脚标表示剪应力.Radiation shields are commonly used to reduce radiation errors.辐射屏蔽罩一般用于降低辐射误差.Psychoactive substances are commonly grouped toa...
They'd gone out to fish for mackerel.他们已经出海去捕鲭鱼。Bay leaf is an excellent herb for mackerel.干月桂叶是烹制鲭鱼肉极佳的调味料。A mackerel sky and mares'tails make lofty ships carry low sails.鱼鳞天,马尾云,大船降帆莫航行....