乙洗纤维素 acetyl cellulose
乙洗苯苯光致还原 acetophenone photoreduction
三氯乙烯清洗 trichloroethylene clean
乙炔清洗器 Acetylene cleaning apparatus ; acetylene cleaner
四氯乙烯干洗机 GXF ; Dry-cleaning machines using perchlorethylene
聚乙烯洗涤底漆 polyethylene wash primer
四氯乙烯干洗油 PERKLONE
用过乙酸清洗的步骤 Peracetic acid sanitization procedure
乙醇清洗后风干 ethanol extraction drying ; EAD
乙炔清洗装置 acetylene cleaning device
方法雷公藤根茎先用乙醇提取，然后用乙酸乙酯洗提，最后挥干溶剂得干品。
METHODS using alcohol to extract Tripterygium wilfordii, and using acetic ether to elution, and then vaporizing acetic ether to obtain dry powder.
甲：我还是无法抓到保龄球的诀窍。每次都洗沟。乙：多练习吧，熟能生巧。
A: I still cannot get the hang of bowling. I always throw the ball into the gutter.
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