B calls
[医] B细胞, β细胞(胰岛)
🧩 词语组成解析
n. 调用；呼吁；电话（call的复数）
🗣️ 情景例句
Chocolate, too?
也是巧克力的？
We must have your LC at least one month before the time of shipment.
我们必须在船运前一个月收到你们的信用证。
and mechanical systems like a wound watch, or the sun,
像上紧发条的手表那样的机械装置，或太阳，