Cephalochordata
[医] 头索动物纲(无头纲)
🗣️ 情景例句
so she'll think of me when she looks at the time.
这样当她看的时候就会想起我。
If you have no questions, may I go on to the next stage?
如果你们没有问题了，我可以进行下一阶段吗？
The mobile phone is as popular as the beeper nowadays.
现在手机和寻呼机一样普及。