Ertron
[医] 厄特朗, 维生素D2(商品名)
🗣️ 情景例句
I must have see you somewhere before.
我一定在哪里见过你。
Let me talk to Mr. Wang.
我要请王先生讲话。
One evening, however, he failed to arrive.
可是，有一天晚上，它出去后再也没回来。