Dimorphotheca
n. [植]非洲雏菊
🗣️ 情景例句
Something simple--but a good one.
要简单的，但要精美 。
We really need more specific information about your technology.
我们需要与贵公司技术相关更专门的资讯。
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。