例句:
Some dinosaurs had only rudimentary teeth.
有些恐龙只有未充分长成的牙齿。
The dinosaur became extinct before the appearance of man.
恐龙在人类出现以前就灭绝了。
How did the dinosaurs die out?
恐龙是如何灭绝的?
2024-10-12
例句:
Some dinosaurs had only rudimentary teeth.
有些恐龙只有未充分长成的牙齿。
The dinosaur became extinct before the appearance of man.
恐龙在人类出现以前就灭绝了。
How did the dinosaurs die out?
恐龙是如何灭绝的?