A.i.d.
[医] 供者人工授精, 异配[人工]授精
🗣️ 情景例句
If you don't apply to the relevant department your passport will never be approved.
如果你不向有关部门申请，你就得不到护照。
When you're down and blue, go to a comedy.
你灰心丧气的时候，去看看喜剧。
But just before the competition closed,
但就在竞赛截止时间将到之际，