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
It's going to be hard, but give it your best shot.
事情会很难，你尽力而为就是了。
You must have dialed the wrong number.
你肯定拨错了号。
New jobs are needed because a number of people are out of work.
因为许多人没有工作，所以需要为他们提供就业机会。