Colubrinae
[医] 游蛇亚科
🗣️ 情景例句
But your L C must reach us 30 days before delivery.
但交货前30天，我们必须要收到你们的信用证。
If two men ride on a horse, one must ride behind.
两人同骑一马，必有一人在后。
The doctors removed a section of the mummy and sent it to a laboratory.
医生们从木乃伊身上取下一个切片，送去化验。