Yig
n. 钇铁石榴石材料(具有低于石英的声衰减的一种合成材料,尤用于激光调节)
🗣️ 情景例句
What does John do?
John现在做什么事？
If your prices are more favorable than those of your competitors we shall send you our order.
如果你方价格比其他竞争对手的优惠，我们将向你们订货。
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。