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
He jumps from one job to another.
他经常换工作。
Full details regarding packing and marking must be strictly observed.
请严格遵守包装及商标的细则。
Most countries use these satellites to send and receive messages.
大多数国家利用这些卫星发送和接收消息。