expose to   (TTS發音)

1. leave uncovered or unprotected 暴露于

    Do not expose it to the sun. 此物謹防日曬。

    To stay warm in cold weather，coldblooded animals must expose themselves to a source of warmth such as direct sunlight. 冷血動物在寒冷的氣溫下要保暖，必須把自己暴露在陽光這樣的溫源下。

2.make known揭露（出來）

    We must expose this shameful activity to the newspaper. 我們必須將這可恥勾當公諸報端。