Tetrablastic
[医] 四胚层的
🗣️ 情景例句
Nat's not as lucky as I am, Robbie.
Nat不像我这样幸运， Robbie。
Up to you.
随便你。
Jim is writing. Lily isn't writing. She's looking at the blackboard.
吉姆在写字。莉莉没在写字。她在看黑板。