使用牙刷去除牙垢很有帮助.The use of a toothbrush to keep tartar down is very helpful.除牙垢用带尖工具除去牙齿表面的 ( 污垢 )To remove ( tartar ) from tooth surfaces with a pointed instrument.我的牙齿上有许多牙垢.I have a lot of tartar on my teeth....
The spectre of neo-fascism, as he put it, was stalking the streets of Sofia and other big cities.用他的话来说，新法西斯主义的幽灵正在索非亚和其他大城市中游荡。Sofia was attractive and formidably intelligent.索菲娅很有魅力，而且才智过人。Sofia Petrovna co-opted Natas...
"What do you mean?" I asked, offended on Liddie's behalf.“你什么意思啊？”我问，替利迪感到愤愤不平。Liddie's doorway yawned blackly open at the end of the hall.走廊尽头利迪的门黑洞洞地敞开着。Nina pushed in next to Liddie.尼娜加塞儿排在利迪后边。...
The compound has higher bioactivity to the bacteria through the bacteriostasis testing.经生物活性测定,该化合物对真菌类有较强生物活性.OBJECTIVE : To study the effect of Jianpi washing liquid for bacteriostasis, anti - infusorial, and relieving...
The third century AD, ancient Rome, there was a tyrant called Clausius Meadows ( Claudius ).公元三世纪时, 古罗马有一位暴君叫克劳多斯 ( Claudius ).Claudius always doubted what he heard from his men.克劳迪斯总是怀疑从他的手下那边听来的消息.In 2000, John Updike ...