实验室里要小心处理水银，因为它有毒且易挥发。

Handle ___mercury carefully in the lab because it's toxic and volatile.

墨丘利穿着带翼凉鞋，在众神之间传递消息。

___Mercury, wearing winged sandals, delivered messages among the gods.

水星是太阳系中温度变化最大的行星。

___Mercury has the greatest temperature variations in the Solar System.