He wore sandals and old jeans and his shirt-tails weren't tucked in.他穿着凉鞋、旧仔裤，衬衫下摆也没塞进裤子里。Wear sandals when you paddle.玩水的时候穿上凉鞋。He always wears sandals in the summer.他夏天总是穿凉鞋。There was no conversation. Their soggy ...
这家工厂拥有一套先进的排气装置.The factory has an advanced exhaust.向窗外我可以看见老行政楼的排气系统.I could look out and see the exhaust system of the E . O . B.发动机气门的二种型式是:进气口和排气口.The two types of engine valves are intake and exhaust....
Methods Muscle architecture and acetylcholinesterase staining method.方法肌构筑法和乙酰胆碱酯酶整肌染色法.The Acetylcholinesterase membrane fixed by activated carrier had higher enzyme activity and longer life - span.为建立快速的痕量有机磷类的酶法分析方法奠定...