A gas chromatographic method to quickly test the efficiency of refrigerator deodorizer in eliminating ethanethiol paper. 报道一种快速检测冰箱除臭器对乙硫醇驱除效率的气相色谱分析方法.
它们的前爪还可以用来打洞和拖拽较重的树干.The forepaws are also used for burrowing and for dragging heavier logs.那条狗正使劲地拖拽皮带.The dog is straining at its lead.鼠标拖拽链接现在应该事情正常了.Mouse drag and drop function should work fine now....
When the police arrived he took it on the chin and apologised for the trouble he'd caused them.警察赶来时，他坦然为自己给他们造成的麻烦表示歉意。“Sorry I haven’t called you yet, ”Tom apologised.“对不起, 我没有给你打电话。”汤姆道歉说道。When the police arrived...
Helium is a very light gas.氦是一种非常轻的气体。Helium is a gas used in balloons.氦是一种用于气球的气体.Unlike helium - 4, it cannot be produced by radioactive decay.与氦 - 4不同之处是, 氦-3不能由放射性衰变产生....