Variable-depth sonar
[电] 可变深度声纳
🧩 词语组成解析
sonar
['səunɑ:]
n. 声呐装置，声呐系统;声呐兵;
🗣️ 情景例句
I'll join you in a minute.
我马上就来找你。
What's done by night appears by day.
若要人不知，除非己莫为。
She had told him to come straight in if ever she failed to open the door and to leave the bread on the kitchen table.
她曾告诉过面包师，如果她不去开门，他可直接进门，把面包放在厨房的桌上。