deltoid muscle meaning in English

三角肌

The deltoid muscle is small in infants and young children .
婴儿和幼儿的三角肌很小。
To induce immunity , the vaccine has to be administered twice , into the deltoid muscle
要有效产生免疫能力，需要在上臂肌肉接受两次疫苗注射。
Applying too direct or too much force during the " catch " phase of the stroke - if during the " catch " phase of the stroke , too straight or too strong a force is used , the head of the humerus is rotated into the deltoid muscle and causes tendonitis , and / or the scapula is pushed against the rotator cuff muscles , causing pain or possible tissue damage
在划臂的“抓水”阶段，手臂径直抓水或过分用力一如果在划臂的“抓水”阶段，手臂太直或过分用力，肱骨头就会旋进三角肌引起肌腱炎，肩胛骨也会挤压轴转肌而引起肌肉疼痛或组织损伤。