为他的犹豫不决寻找借口是很容易的。It is easy to find excuses for his indecisiveness.如果认为有更容易的选择,那就错了.It is wrong to suggest that there are easy alternatives.这不是件容易的差事。This is not an easy task....
In order to make it safe, the element is electrically insulated.为安全起见,该元件作了电绝缘处理。Not far away were other geothermal wellheads, their natural pressurized steam deflected into huge insulated pipes.不远处是另几口地热井, 它们的天然加压蒸汽输进了巨...