🧩 词语组成解析
order
['ɔ:də]
n. 命令;秩序;规则,制度;次序;
vt. 命令;订购;整理;
vi. 下订单;
长鼻目
🗣️ 情景例句
Thanks for trying.
谢谢你尽了力。
Where do you live?
你在哪儿住?
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间,便可算出该处海洋的深度。