act as a barrier against disease的意思

作為抵御疾病的屏障

to brief against───反對

odds are against───勝算不大

be arrayed against───排列

brief against───反對

crash barriers───n.（公路上的）防撞護欄

set one's face against───堅決反對；抵制

to guard against───防止；預防

to take against───反對

You have three layers of skin which act as a barrier against disease, poisons and the sun's harmful rays.───皮膚有三層，它們是防病、防毒、抵御太陽有害光線侵害的一道屏障。

have three layers of skin which act as a barrier against disease, poisons and the sun's harmful rays.───皮膚有三層，像是三層屏障，可以防病、防毒、抵御有害太陽光線的侵害。

act as a barrier against disease───扮演一個低于疾病的屏障