infra
英 [ˌɪn.frə ˈdɪɡ]
美 [ˌɪn.frə ˈdɪɡ]
- adv. （拉）以下；（拉）以后；（拉）下文
星级词汇:
英语词源
- infra (adv.)
- "under, below, further on," from Latin infra (see infra-).
权威例句
- 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.
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