Llo
abbr. 军团杆菌样细菌（legionella-like organisms）
🗣️ 情景例句
Is everything all right?
一切都好吗？
There is no time like the present.
机不可失，时不再来。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，