band / bænd/
举一反三
- band / bænd/ A: n.忠诚，忠心 B: n.乐队；带；波段 C: a.无助的；无能的 D: vt.&vi.威胁，恐吓
- band / bænd/ A: vi.出血,流血;泌脂 B: n.板 vt.上(船、车等) C: n.砖,砖块;砖状物 D: n.乐队;带;波段
- The energy level structure of semiconductor materials is not a discrete single-valued energy level, but a band structure with a certain width, called . A: Energy band B: Valence band C: Conduction band D: Forbidden band
- (4) A. bank B. band A: bank B: band
- and 的弱读式不包括哪一个？ A: /ænd/ B: /ənd/ C: /nd/ D: /n/