Conclusions Fluoride mouth rinse can effectively prevent and enamel decalcification in fixed - orthodontic treatment.在固定正畸治疗中,含氟漱口液能有效防治牙釉质脱矿.There was a moose head on the wall. Some wag had put a cigarette in its mouth....
A thorough brushing helps to freshen up your mouth.彻底刷牙有助于口气清新。His mouth was a little open, as if he'd started to scream.他的嘴微微张开,似乎是要开始尖叫.I've always had a loud mouth, I refuse to be silenced.我一贯大声说出自己的想法，不会迫于压...
The process includes hydroxylation, self packing of APTES and terephthalic aldehyde packing.其置备方法主要包括羟基化 、 APTES的自组装和对苯二甲醛的组装三步.Aromatic cytokinins metabolism is classified under four broad headings : interconversion, hy...
"Keep quiet, or they'll all come out," they warned him.“别作声，否则他们全都出来了，”他们警告他。Keep quiet or we'll all get nicked.别出声，要不然我们都会被抓住的。I told her to keep quiet about it.我告诉她此事要保密。...