Mesition
3-二甲氨(基)甲酰氧基-1-甲基吡啶
🗣️ 情景例句
But as exporters of a complete plant,
但是，作为成套设备出口商，
The Spring Festival lasts half a month until the Lantern Festival comes.
春节要持续半个月左右，直到无宵节来为止。
and a very firm hand must be employed in the early stages.
因此开始阶段需要有一位强有力的老手。