He was lost in the intricacies of a new electric motor.
他全神贯注于一种新式电马达的复杂结构。
intricacy详细解释
in.tri.ca.cy n.(名词)【复数】in.tri.ca.cies The condition or quality of being intricate; complexity.错综复杂:错综复杂的状况或特征;复杂Something intricate:错综复杂的事物:例句:the intricacies of a census form.人口普查表格的纷繁难懂之处