☆ ADVANCED LEVEL : 0 ☆☆ INTERMEDIATE LEVEL : 0 ☆☆☆ ELEMENTARY LEVEL : 0 NONE : 2 ALL : 2

• 나프탈렌 (naphthalene) : 주로 옷을 갉아 먹는 벌레를 막기 위해 쓰는 화학 약품. Noun
🌏 NAPHTHALENE: A chemical used to keep insects from eating clothes.

• 사이렌 (siren) : 큰 소리를 내어 위급한 상황임을 알리는 장치. 또는 그 소리. Noun
🌏 SIREN: A device that makes a loud sound to send an alert on an urgent situation, or such a sound emitted from the device.

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