Cyclosteroidea
海环石纲
🗣️ 情景例句
Americans consider it extremely bad manners to be late.
美国人认为迟到是一种极不礼貌的做法。
What's the height of the building?
这座楼有多高？
They will be able, as it were, to see and hear us in action.
他们能够身临其境般地观看我们做事，倾听我们讲话。