Ppps
[医][=polyvalent pneumococcal polysaccharide]多价肺炎双球菌多糖
🗣️ 情景例句
You're making a mountain out of a molehill.
你在小题大做，把鼹鼠丘当成大山。
Yes,and it goes beautifully with your pants.
好看，配上你的这条裤子美极了。
for the monotonous rhythm of the wheels clicking on the rails soon lulls you to sleep.
车轮与铁轨间单调的嘎喳声很快就会送你进入梦乡。