infra

infra-acoustictelegraphy

次声频电报

infra-red food warmer

红外线食品加热器

she regarded playing for the Pony Club as deeply infra dig.

她觉得为小马俱乐部比赛十分有失。

-Normal size, shape and position of the supra and infra-tentorial ventricular system.

-般大小,形成和位置在心脏统的前面和上面.

35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .

乙烯和反乙烯在红外光谱的这个区域都无活性。