这些合金可在不同的温度[热度]熔接.These alloys weld at different heats.我们用焊锡熔接管子.We fused the pipes with solders.在这样的高温下熔接钢铁需要快速.It takes speed to weld steel at this heat....
Last Sunday afternoon I stayed at home and read a book.上个星期日下午,我呆在家看书.It is too dark in this room for me to read a book.房间太暗,使我无法看书.Rarely before midnight. I always read a book for half an hour before going to sleep.很少在半...
铜是热和电的良导体.Copper is a good medium for the conduction of heat and electricity.木头是热和电的不良导体.Wood is a poor conductor of heat and electricity.铜是电的良导体.Copper conducts electricity well....
奥利弗在殡葬承办人那里住了有个把月.Oliver had been sojourning at the undertaker's some three weeks or a month.这些都是摆在承办人面前的新难题.These are the new difficult problem that are placed before undertaker.我追上那个误拿我赌注的承办人.I overtake the undert...