Dipleurula
[动]对称幼虫
🗣️ 情景例句
I have to postpone our appointment.
我要把我们的约会延期。
Certainly. And we also have test results that we're sure you'd be interested to see.
当然，同时我们也有测试结果，我们相信你们会有兴趣看的。
Similarly, our own present primitive chemical rockets, though good enough to orbit men,
同样，我们目前使用的原始化学火箭，虽然可以把人送入轨道，