Bowshock
n. [天]弓形激波
🗣️ 情景例句
Where's the elevator?
电梯在哪儿？
When the tree is fallen, every one runs to it with his axe.
大树一倒下，人人持斧来。
A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,
海洋中很多地方可深达两三英里，