虽然地税在细节上复杂得要命，但在本质上却很简单。Though off-puttingly complicated in detail, local taxes are in essence simple.有人可能认为抽烟从本质上说就具有成瘾性。One could argue that smoking, by its very nature, is addictive.这个想法的出发点是好的，但是条理混乱，而且本质上是错误的。The th...
Commonly prescribed are anti - microbial mouthwashes containing the active ingredient chlorhexidine gluconate.抗菌抗菌漱口水都包含有效成分--太葡糖酸盐.Objective : To study the adsorption properties of montmorillonite in chlorhexidine aceta...