Ballast passage
[经] 空放航程
🧩 词语组成解析
ballast
['bæləst]
n. 压舱物，压载物;道渣，碎石;镇流器;<比喻>沉着;
vt. 给某物装上压舱物;给…铺道渣;使稳定;使沉着;
🗣️ 情景例句
My father is an engineer of a construction company, and mother is a doctor.
我父亲是一家建筑公司的工程师，母亲是一名医生。
A little spark kindles a great fire.
星星之火，可以燎原。
He had known that it was not safe to travel alone in the forest near the coast.
也听说过独自一人在海边的森林里走是不安全的。