Teleflex
转套, 软套管
🗣️ 情景例句
you had some doubts about wanting to go to Michigan.
你对上Michigan大学有些疑虑。
I can see you have put a lot of time into it.
我相信你在制定这个计划上一定花了不少精力吧。
At last firemen have put out a big forest fire in California.
消防队员们终于扑灭了加利福尼亚的一场森林大火。