They have a siesta during the hottest part of the day.他们会在一天中最炎热的时刻小睡一会儿。Lots of people were taking a short siesta in the shade.午后很多人在阴凉处小睡.I went upstairs for my afternoon siesta.我上楼去睡午觉....
体内胆碱水平过低会引起高血压。Low levels of choline in the body can give rise to high blood-pressure.已发现的缺乏胆碱的幼猪的临床症状是身体憔悴.Clinical symptoms found in young pigs suffering from choline deficiency are unthriftiness.这类农药抑制胆碱酯酶而影响神经系统.The ...