We have an STR beginning cluster, strai-- strai-- the T can come out as a CH there.

我们有一个 STR 起始簇，strai-- strai-- T 可以在那里作为 CH 出现。

Which of these African nations is located just across the strai of Gibraltar from Spain, Algeria, Tunisia, Libya, Morocco.

其中哪个非洲国家位于直布罗陀海峡对面，与西班牙、阿尔及利亚、突尼斯、利比亚、摩洛哥相望。

Just make sure you make it light. Don't put too much ch-- air in it. Strai-- strai-- then these four letters, a-I-g-h, all make the AY diphthong.

只要确保你让它变亮。 不要在里面放太多的空气。Strai-- strai-- 然后这四个字母， a-I-g-h， 都构成了 AY 双元音。