n.阻擋之物或人；阻斷劑；攔網(wǎng)隊(duì)員
This new blocker for the treatment of AIDS has opened up a new way. 這種新型阻斷劑，為治療艾滋病開拓了一個(gè)嶄新的途徑。
The calcium channel blocker had similar effect and was concerned by doctors. 而鈣通道阻滯劑治療消化性潰瘍的療效已引起廣大醫(yī)生的關(guān)注。
阻斷劑
β-受體阻斷劑
