Downward phase
[经] 下降阶段
🧩 词语组成解析
downward
['daunwəd]
adj. 向下的，往下的;
adv. 向下地，下行地;
🗣️ 情景例句
You must be very tired after the journey.
旅行之后，您一定累了吧！
Ill (or Evil) gotten, ill (or evil) spent.
悖入悖出。
they can locate and steer clear of obstacles -- or locate flying insects on which they feed.
并能通过回声来确定并躲开障碍物，或找到它们赖以为生的昆虫。