Dipmeter
栅陷振荡器, 栅流陷落式测试振荡器
🗣️ 情景例句
What are your favorite subjects?
喜欢哪些课程？
She is a member of the ski club.
她是滑雪俱乐部的成员。
Oh. It's very nice. How far have you been in it?
嗬，太漂亮了。你开它走了多远？