Mdi
[化] 二苯基亚甲基二异氰酸酯
🗣️ 情景例句
Good.
好极了。
This window is just as big as that one.
这扇窗户刚好和那扇一样大。
In the pioneering days, however, this was not the case at all.
然而，在登山运动的初期，全然不是这种情况。