Contractual securities
[经] 定约证券
🧩 词语组成解析
a. 契约的\\n[经] 契约的, 契约性的
securities
[[ˌsi'kjuəritiz]]
n. 有价证券\\n[经] 证券
🗣️ 情景例句
When you feel your life is threatened, just dial 999 to get help.
当你的生命受到威胁的时候，拨打 999 求救。
You'll hurt your arm, if you don't take care.
你不专心的话，就会伤到你的手指。
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。