谢谢EYEYEY。

True 我还是没有掌握好，以前我总是发类似“出”的音，现在知道不是很对，但发T， R时对我很费劲。还需要继续练习。
new in American English should sound like /nu:/, in EE is /nyu:/.
I thought i paid attention to cave and pirate. it seems that i still not get it. Thank you very much for helping me!

Good good study, day day up!