Mach-zehnder interferometer
【光学】马赫—策德尔干涉仪
🗣️ 情景例句
Velvet paws hide sharp claws.
笑里藏刀。
There was no trace of fingerprints, but the inspector found a dirty red bundle that contained jewellery which the old lady said was not hers.
巡官没有发现指纹,却发现了一个装有珠宝的、肮脏的红包袱。老妇人说那不是她的。
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