牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。When not removed, plaque causes tooth decay and gum disease.牙齿和牙龈之间会滋生牙斑。Deposits of plaque build up between the tooth and the gum.需刷牙以去除牙斑.It is necessary to remove plaque by brushing one's tee...
It is foolish to haphazardly adventure.随便冒险是愚蠢的.The books were placed haphazardly on the shelf.书籍乱七八糟地堆放在书架上.She looked at the books jammed haphazardly in the shelves.她看着乱七八糟地塞在书架上的那些书。Bulges and tentacles of ore extend ...
It was unfair to judge her on such a brief acquaintanceship.你刚认识她就对她作出评价，这是不公平的。This settled the probability of acquaintanceship.这样就有了相识的可能.Maybe we are the most acquaintanceship stranger on the world.变成最熟悉的陌生人! 放弃也是一种美!...
She shot to stardom on Broadway in a Noel Coward play.她因在百老汇出演了一部诺埃尔·科沃德的戏一炮而红。"You're a coward," Mark said very plainly and soberly.马克非常直率而严肃地说：“你是个懦夫。”He must not be untruthful, or a coward.他绝不能是虚伪或胆怯之徒。...
花生结荚期明显受土壤水分胁迫影响.The peanut was suffered from water stress at its pod setting stage.在大豆的开花期和结荚期, SFE 可以增加蔗糖酶的活力.SFE could elevate the activity of invertase in vivo during the periods of flowering and pod - filling .豇豆苗期前...