- 重点词汇
- 三角肌
deltoid (muscle)
- 锻炼
exercise; work out; temper; take exercise; have physical training; keep fit; training; workout; discipline; physical exercise
- 方法
method; way; means; manner; road; avenue; gateway; route; measure; approach; mode; system; channel; medium; methodology; formula; prescription; recipe; technique; tool; device; instrument; mechanism; mechanic; tack; line; view; lever; technical