这样就产生了目前各种船舶上普遍应用的回声探测仪.So was born the echo - sounding apparatus, now in general use in ships.大多数共振质量探测仪是由巨大的圆柱形铝棒构成.Most resonant mass detectors are made of large, cylindrical aluminum bars.建造共振质量探测仪不像建造激光干涉计探测仪那么昂贵.Re...
Special comforters soothe and condition skin to help prevent irritation.特别被子安慰和条件,帮助防止皮肤发炎.Emerging half muffled from beneath the thick comforters they were particularly frightening.肥胖的张嫂侧身睡着,铺盖沉重地压在身上,只露出一头乱发和一小半边脸.And ...
Keep good apples in perforated polythene bags.把好苹果放在有孔的聚乙烯袋中保存。Simply put them into a polythene bag and store them in the freezer for a day.只需把它们装进保鲜袋，在冰箱里储存一天即可。This polythene sheet should serve to keep out the rain for...