Radioactive calcium
[医] 放射性钙
🧩 词语组成解析
🗣️ 情景例句
Oh, it's a quarter to four,
噢 ，差十五分就四点了，
The buyer has the right to cancel the contract unilaterally if the seller fails to ship the goods within the L/C validity.
如果卖方不能在信用证有效期内交货的话，买方有权单方面取消合同。
'What are you doing?' she asked.
“你在干什么？”她问道。