Oleorefractometer
油折射计
🗣️ 情景例句
I wouldn't be surprised if your son goes to harvard.
我觉得你儿子很有希望上哈佛。
He was born with a silver spoon in his mouth.
他生在富贵人家。
What are you doing? he asked. I'm cutting this tree up, answered the woodcutter.
“你在做什么？”他问。“我在把这棵树砍断，”伐木工人回答道。