我不常乘公共汽车，只是下雨时才坐的英文

i don’t take the bus often, only when it rains

• 我:    I; my; me
• 不:    a block of wood
• 常:    ordinary; common; ...
• 乘公共汽车:    take a bus
• 只是:    merely; only; just
• 下雨:    rain
• 时:    shí]
• 才:    ability; talent; g ...
• 坐:    sit; be seated; ta ...