Serimeter
验丝计, 生丝强伸力计(验单丝用)
🗣️ 情景例句
Do you have a cell phone?
你有手机吗？
She's off to Guangzhou tomorrow.
她明天出发去广州。
Mr. Green doesn't climb down the chimney. He waits until the children are asleep.
格林先生不从烟囱上爬下来，他等候孩子们都睡熟。