TWOS

• Tropical Wind Observing Ships,热带风观测船

TWOS的用法和样例：

词汇搭配

• in two twos 立刻(一眨眼)...
• by twos 每两人
• by ones and twos 一两个(零零落落地)...
• by twos and threes 两三个一次(三三两两...