例句與造句

1. No inert IUDs are approved for use by the healthcare authorities in the United States, UK, or Canada.
2. In China, where IUDs are the most common form of contraception, copper IUD production replaced inert IUD production in 1993.
3. The hormonal IUD was also invented in the 1960s and 1970s; initially the goal was to mitigate the increased menstrual bleeding associated with copper and inert IUDs.
4. Inert IUDs are IUDs with no bioactive components; they are made of inert materials like stainless steel ( such as the stainless steel ring, or SSR, a flexible ring of steel coils that can deform to be pushed through the cervix ) or plastic ( such as the Lippes Loop, which can be inserted through the cervix in a cannula and takes a trapezoidal shape within the uterus ).
5. It's difficult to find inert iud in a sentence. 用inert iud造句挺難的