弘扬中华文化·传承国学经典

infra是什么意思

infra

英 ['ɪnfrə] 美 ['ɪnfrə]

adv. （拉）以下；（拉）以后；（拉）下文

畅通词汇

英文词源

infra (adv.): "under, below, further on," from Latin infra (see infra-).

双语例句

1. An infra-red eye is said to detect the movement of any animal within an angle of 110 degrees at up to 10 metres.: 据说红外眼能够探测到110度角范围内远至10米的任何动物的活动。

2. The infra - red spectra of quinones present a number of interesting features.: 醌类的红外光谱具有一些有趣的性质.

3. Dancing in the street is rather infra dig for a bank manager!: 一个银行经理在街上跳舞,那是颇失身分的!

4. Ethylene and trans - dichloroethylene are both inactive in the infra - red in this region.: 乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.

5. Infra - red absorption takes place only when there is a change of dipole moment.: 红外吸收峰仅在有偶极矩变化时才能实现.