Pecvd
等离子[体]增强CVD
🗣️ 情景例句
If only Robbie and Alexandra were here.
要是Robbie和Alexandra在这儿多好。
Are they all non-reserved seats?
他们全部不预订的吗？
The hunt went on for several weeks, but the puma was not caught.
搜寻工作进行了好几个星期，但始终未能逮住那只美洲狮。