单词	experimental instrument
释义	experimental instrument 实验仪器
随便看	pull their punches pull their rank on pull theirselves to their feet pull theirselves up by their bootstraps pull their socks up pull their together pull their weight pull the javelin forward pull the laboring oar pull the labouring oar pull the leg of pull the longbow pull the long bow pull themselves together pull themselves up by the bootlaces pull themselves up by the bootstraps pull the needle out pull theory pull the plug Pull the plug and let the water drain away Pull the plug before you try to fix the vacuum pull the plug on pull the plug on somebody/something pull the plug on the project Pull the plug out