Mcls
abbr. megacycles per second 兆周/秒，兆赫
🗣️ 情景例句
Grandpa,
爷爷，
Whom do you want to call?
你要打电话给谁？
A short time before, great trees had covered the countryside for miles around.
就在不久之前，参天大树还覆盖着方圆数英里的土地。