Heath aster
[植物]石南紫菀，（俗名）石南菊(Aster ericoides,产于北美洲)
🧩 词语组成解析
heath
[hi:θ]
n. 荒地，荒野;[植]石南;杜鹃花科植物;
aster
[['æstə]]
n. 紫苑属植物\\n[医] 星体
🗣️ 情景例句
She won't be happy when she sees what you've done with your hair.
当她看到你将头发搞成这个样了了，就高兴不起来了。
If Grade A is not available, Grade B will do.
如果一等品无货，二等品也可以。
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，