用手指与拇指直立地拿著吸入器,将拇指放在底部, 及吸口的下方.Hold inhaler upright between fingers and thumb with your thumb on the base, below the mouthpiece.针对氧气吸入器检定过程中存在的主要问题,指出了计量器具检定的必要性、重要性.Points out the necessary and important meaning of the ...
All is grist that comes to his mill.〔谚语〕到他磨里的东西全会变成粉,他善于利用一切事物.I never refuse odd jobs to supplement my income it's all grist to the mill.我为增加收入,对于做零活总是来者不拒--多多益善.McCormick began to make his famous reaper in a grist...