1. The primary accent is the main accent falling on the first beat in a measure or bar. 基本强音是基本音，出现在小节中第一拍。
2. It means that the injection can be used to cure acute flu, tracheitis, bronchitis, pneumonia, hepatitis, acute brain thrombus, acute brain haemorrhage, especial to first aid of exanimation sufferers. 即在临床上治疗急性流感、上呼吸道感染、气管炎、支气管炎、肺炎、肝炎、急性脑血栓、急性脑出血等病。重点用于昏迷患者的急救。
3. Acute lymphocytic leukemia (ALL) is a type of blood cancer. Other names for ALL are acute lymphoblastic leukemia and acute lymphoid leukemia. 急性淋巴细胞白血病（ALL）是恶性血液疾病的一种，又称急性淋巴母细胞白血病或急性淋巴样白血病，简称急淋。
4. Acute lung injury and acute respiratory distress syndrome are severely acute respiratory diseases and are common in clinic, and their pathogenesis is complicated and the mortality is high. 急性肺损伤和急性呼吸窘迫综合征发病机制复杂，病死率高，是临床常见的呼吸系统急危重症。
5. Acute lung injury/acute respiratory distress syndrome is a kind of acute respiratory failure caused by more etiology with high mortality. 急性肺损伤/急性呼吸窘迫综合征是多病因所致的一种急性呼吸衰竭，病死率高，严重威胁人类的健康。
网络释义
There is nothing sillier than a Northerner imitating a southern accent unless it is a southerner imitating a Boston accent 没有任何一件事是比北方人模仿南方人口音更愚蠢的事了 除了南方人想去模仿波士顿口音这件事之外. (南方人有一种特殊的口音 而且很难模仿.而北方口音中则以波士顿这个地方最具代表性.);
There is nothing sillier than a Northerner imitating a southern accent unless it is a southerner imitating a Boston accent 没有任何一件事是比北方人模仿南方人口音更愚蠢的事了 除了南方人想去模仿波士顿口音这件事之外. (南方人有一种特殊的口音 而且很难模仿.而北方口音中则以波士顿这个地方最具代表性.);
There is nothing sillier than a Northerner imitating a southern accent unless it is a southerner imitating a Boston accent 没有任何一件事是比北方人模仿南方人口音更愚蠢的事了 除了南方人想去模仿波士顿口音这件事之外. (南方人有一种特殊的口音 而且很难模仿.而北方口音中则以波士顿这个地方最具代表性.);
There is nothing sillier than a Northerner imitating a southern accent unless it is a southerner imitating a Boston accent 没有任何一件事是比北方人模仿南方人口音更愚蠢的事了 除了南方人想去模仿波士顿口音这件事之外. (南方人有一种特殊的口音 而且很难模仿.而北方口音中则以波士顿这个地方最具代表性.);
