Lichens
n. 地衣类；地衣（lichen的复数）
🗣️ 情景例句
You seem to have some reservations.
看起来你还有些犹豫。
That house is for sale.It has central heating.
那幢房子是待售的，它有中央暖气系统。
It's cheaper, isn't it?
这更便宜些，是吗？