Subzero
a. 零度以下的（温度）
📖 牛津释义
subzero
adj
(of temperatures) below zero （指温度）零度以下的
the ,subzero `temperaturesof a Siberian winter 西伯利亚冬季的零下气温.
🔁 扩展释义
【化】 零下; 低温
🏥 医学释义
零下，负的
🗣️ 情景例句
He was killed on the spot.
他当场被杀。
It is better to be safe than sorry.
事后追悔不如事前稳妥。
Meanwhile, a microphone, which was lowered into the mine two hours ago, has enabled the men to keep in touch with their closest relatives.
与此同时，两个小时以前放下井去的一只麦克风使井下的人可以与其亲属保持联系。