■ seasonable 与 seasonal

前者表示“合乎时令”、“合乎季节”。

• Snowy weather is seasonable here in January.这里一月份的下雪天气是合乎时令的。

后者则表示“季节性的”（非常年的）。

• seasonal workers季节工人
• seasonal allergies季节性过敏
• seasonal adjustments扣除季节性因素的调整。

• often
• oil
• old
• on
• on
• on a first-name basis
• once
• one
• one
• one in
• one in 与 one out of
• one of
• one out of
• one-sided
• one 与 a
• on high
• on life support
• only
• only
• only
• only 与 alone
• on the air
• on the air...
• on the part of
• open