Karst
n. 喀斯特(区)
🗣️ 情景例句
and ... and when the baby comes,
而且……而且婴儿出生以后，
Come back!
回来！
It comes nearer to the engines with which man has 'conquered' the air, as he boasts.
它更近乎于人类自夸的“征服”了空气的发动机。