Lower respiratory tract
下呼吸道
🧩 词语组成解析
lower
['ləuə]
adj. 下方的;在底部的;较低级的;
v. 降低;减少;缩小;
respiratory
['respərə'tɔri:]
adj. 呼吸的;
tract
[trækt]
n. 大片土地;（神经纤维的）束;小册子;<古>一段时间，长时间;
🗣️ 情景例句
A red sky at night indicates fine weather the following day.
晚上天边红预示着明早天气好。
When the wolf grows old, the crows ride him.
狼老被鸦欺。
and that if only the common peoples of the would could meet one another at football or cricket, they would have no inclination to meet on the hattlefield.
还说各国民众若在足球场或板球场上交锋，就不愿在战场上残杀的时候，我总是惊愕不已。