您要查找的是不是：
- The presence of hemoglobin in the urine. 血红蛋白尿尿液中出现血红蛋白
- I feel strange in the presence of strangers. 在陌生人面前，我感到不自在。
- The presence of viruses in the bloodstream. 病毒血症血液中出现病毒的症状
- He made the accusation in the presence of witnesses. 他在有见证人在场的情况下提出了控告。
- The presence of bacteria in the blood. 菌血症血液中细菌的存在
- In the presence of elderly visitors our son was a model of decorum. 我们的儿子在来访的长辈面前彬彬有礼。
- Jim is quite shy; he will feel out of place in the presence of unknown people. 吉姆很害羞，在陌生人面前往往感到手足无措。
- The presence of blood in the urine. 血尿尿（液）中出现血（液）
- Litmus paper turns red in the presence of an acid. 石蕊试纸遇到酸就变红。
- There is no complex process in the presence of us. 就不会有这么复杂的过程。
- He gets nervous in the presence of his colleagues. 他在同事面前变得局促不安。
- The girl was shy in the presence of stangers. 这个女孩在陌生人面前显得腼腆。
- He was calm in the presence of danger. 危险面前他镇定自若。
- He was clam in the presence of danger. 在危险当中他镇定自若。
- The play was performed in the presence of royalty. 这戏剧曾在皇室成员出席时表演。
- TMA burns spontaneously in the presence of oxygen. 这些云是人为的，是研究地球电离层的科学家门创造的。
- Speak out in the presence of everyone. 当着大家谈。
- Paul had his speech very well prepared, but in the presence of such a big audience all of a sudden he lost his tongue. 保罗的演说词准备得很好，但在这么多的听众面前他却突然间说不出话来。
- She was shy in the company of stranger. 她在与陌生人的交往时感到很害羞。
- Presence of unopened roving in the feed sliver. 喂入条中有未打开的粗纱条。
