Klm
(=kilolumen)千流明
🗣️ 情景例句
About Mom and Dad.
爸爸和妈妈。
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
The first question to answer is whether a planet can actually support life.
第一个需要解答的问题是一颗行星是否有能够维持生命的条件。