螺旋 (luó xuán) — screw (threaded fastener); spiral, helix (shape or structure)
Definition
Literally 'spiral/helix' — covers both the SHAPE (a corkscrew curve) and the THREADED FASTENER (a screw). The first meaning extends into technical terms like DNA's double helix.
noun
screw (threaded fastener)spiralhelix (shape or structure)
Measure word · 个
Examples
- 螺旋，。Zhè ge luó xuán nǐng dé tài jǐn le, wǒ dǎ bù kāi.This screw is twisted too tight, I can't open it.
- 螺旋，。Lóu tī shì luó xuán xíng de, zǒu qǐ lái yǒu diǎn tóu yūn.The staircase is spiral-shaped; walking on it makes me a bit dizzy.
- DNA螺旋。DNA fēn zǐ shì shuāng luó xuán jié gòu.The DNA molecule is a double helix structure.
Appears in
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